diff --git a/quality_control_oca/__manifest__.py b/quality_control_oca/__manifest__.py
index 0e0d9376a..5a688f284 100644
--- a/quality_control_oca/__manifest__.py
+++ b/quality_control_oca/__manifest__.py
@@ -7,16 +7,13 @@
 
 {
     "name": "Quality control",
-    "version": "12.0.1.2.0",
+    "version": "13.0.1.0.0",
     "category": "Quality control",
     "license": "AGPL-3",
     "summary": "Generic infrastructure for quality tests.",
-    "author": "OdooMRP team, "
-              "Odoo Community Association (OCA)",
+    "author": "OdooMRP team, " "Odoo Community Association (OCA)",
     "website": "https://github.com/OCA/manufacture/tree/12.0/quality_control",
-    "depends": [
-        "product",
-    ],
+    "depends": ["product"],
     "data": [
         "data/quality_control_data.xml",
         "security/quality_control_security.xml",
@@ -30,8 +27,6 @@
         "views/product_template_view.xml",
         "views/product_category_view.xml",
     ],
-    "demo": [
-        "demo/quality_control_demo.xml",
-    ],
+    "demo": ["demo/quality_control_demo.xml"],
     "installable": True,
 }
diff --git a/quality_control_oca/data/quality_control_data.xml b/quality_control_oca/data/quality_control_data.xml
index d30137fcc..2313814b3 100644
--- a/quality_control_oca/data/quality_control_data.xml
+++ b/quality_control_oca/data/quality_control_data.xml
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8" ?>
 <!-- Copyright 2010 NaN Projectes de Programari Lliure, S.L.
     Copyright 2014 Serv. Tec. Avanzados - Pedro M. Baeza
     Copyright 2014 Oihane Crucelaegui - AvanzOSC
@@ -10,17 +10,18 @@
         <record id="qc_test_template_category_generic" model="qc.test.category">
             <field name="name">Generic</field>
         </record>
-
         <record id="qc_test_template_category_referenced" model="qc.test.category">
             <field name="name">Referenced</field>
         </record>
-
-        <record forcecreate="True" id="decimal_quality_control" model="decimal.precision">
+        <record
+            forcecreate="True"
+            id="decimal_quality_control"
+            model="decimal.precision"
+        >
             <field name="name">Quality Control</field>
             <field name="digits">5</field>
         </record>
     </data>
-
     <data>
         <record id="seq_qc_inspection" model="ir.sequence">
             <field name="name">Quality inspection</field>
diff --git a/quality_control_oca/demo/quality_control_demo.xml b/quality_control_oca/demo/quality_control_demo.xml
index c0a097e43..c70cf1428 100644
--- a/quality_control_oca/demo/quality_control_demo.xml
+++ b/quality_control_oca/demo/quality_control_demo.xml
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="UTF-8"?>
+<?xml version="1.0" encoding="UTF-8" ?>
 <odoo>
     <data noupdate="1">
         <record model="qc.test" id="qc_test_1">
@@ -7,25 +7,21 @@
             <field name="active" eval="True" />
             <field name="category" ref="qc_test_template_category_generic" />
         </record>
-
         <record model="qc.test.question" id="qc_test_question_1">
             <field name="name">Overall quality</field>
             <field name="test" ref="qc_test_1" />
             <field name="type">qualitative</field>
         </record>
-
         <record model="qc.test.question.value" id="qc_test_question_value_1">
             <field name="name">Good</field>
             <field name="ok" eval="True" />
             <field name="test_line" ref="qc_test_question_1" />
         </record>
-
         <record model="qc.test.question.value" id="qc_test_question_value_2">
             <field name="name">Bad</field>
             <field name="ok" eval="False" />
             <field name="test_line" ref="qc_test_question_1" />
         </record>
-
         <record model="qc.test.question" id="qc_test_question_2">
             <field name="name">Size</field>
             <field name="test" ref="qc_test_1" />
@@ -34,6 +30,5 @@
             <field name="max_value" eval="10.0" />
             <field name="uom_id" ref="uom.product_uom_unit" />
         </record>
-
     </data>
 </odoo>
diff --git a/quality_control_oca/models/product_category.py b/quality_control_oca/models/product_category.py
index 5ca720c4b..3fef0959f 100644
--- a/quality_control_oca/models/product_category.py
+++ b/quality_control_oca/models/product_category.py
@@ -14,4 +14,5 @@ class ProductCategory(models.Model):
     qc_triggers = fields.One2many(
         comodel_name="qc.trigger.product_category_line",
         inverse_name="product_category",
-        string="Quality control triggers")
+        string="Quality control triggers",
+    )
diff --git a/quality_control_oca/models/product_product.py b/quality_control_oca/models/product_product.py
index c5a157ba5..48a868262 100644
--- a/quality_control_oca/models/product_product.py
+++ b/quality_control_oca/models/product_product.py
@@ -12,5 +12,7 @@ class ProductProduct(models.Model):
     _inherit = "product.product"
 
     qc_triggers = fields.One2many(
-        comodel_name="qc.trigger.product_line", inverse_name="product",
-        string="Quality control triggers")
+        comodel_name="qc.trigger.product_line",
+        inverse_name="product",
+        string="Quality control triggers",
+    )
diff --git a/quality_control_oca/models/product_template.py b/quality_control_oca/models/product_template.py
index 507146ae7..f6ad6be81 100644
--- a/quality_control_oca/models/product_template.py
+++ b/quality_control_oca/models/product_template.py
@@ -14,4 +14,5 @@ class ProductTemplate(models.Model):
     qc_triggers = fields.One2many(
         comodel_name="qc.trigger.product_template_line",
         inverse_name="product_template",
-        string="Quality control triggers")
+        string="Quality control triggers",
+    )
diff --git a/quality_control_oca/models/qc_inspection.py b/quality_control_oca/models/qc_inspection.py
index 0517f8735..d8f51bf05 100644
--- a/quality_control_oca/models/qc_inspection.py
+++ b/quality_control_oca/models/qc_inspection.py
@@ -5,17 +5,18 @@
 # Copyright 2017 Simone Rubino - Agile Business Group
 # License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
 
-from odoo import api, exceptions, fields, models, _
+from odoo import _, api, exceptions, fields, models
 from odoo.tools import formatLang
+
 import odoo.addons.decimal_precision as dp
 
 
 class QcInspection(models.Model):
-    _name = 'qc.inspection'
-    _description = 'Quality control inspection'
-    _inherit = ['mail.thread', 'mail.activity.mixin']
+    _name = "qc.inspection"
+    _description = "Quality control inspection"
+    _inherit = ["mail.thread", "mail.activity.mixin"]
 
-    @api.depends('inspection_lines', 'inspection_lines.success')
+    @api.depends("inspection_lines", "inspection_lines.success")
     def _compute_success(self):
         for i in self:
             i.success = all([x.success for x in i.inspection_lines])
@@ -28,74 +29,106 @@ class QcInspection(models.Model):
         """
         return list()
 
-    @api.depends('object_id')
+    @api.depends("object_id")
     def _compute_product_id(self):
         for i in self:
-            if i.object_id and i.object_id._name == 'product.product':
+            if i.object_id and i.object_id._name == "product.product":
                 i.product_id = i.object_id
             else:
                 i.product_id = False
 
     name = fields.Char(
-        string='Inspection number', required=True, default='/',
-        readonly=True, states={'draft': [('readonly', False)]}, copy=False)
+        string="Inspection number",
+        required=True,
+        default="/",
+        readonly=True,
+        states={"draft": [("readonly", False)]},
+        copy=False,
+    )
     date = fields.Datetime(
-        string='Date', required=True, readonly=True, copy=False,
+        string="Date",
+        required=True,
+        readonly=True,
+        copy=False,
         default=fields.Datetime.now,
-        states={'draft': [('readonly', False)]})
+        states={"draft": [("readonly", False)]},
+    )
     object_id = fields.Reference(
-        string='Reference',
+        string="Reference",
         selection=lambda self: self.object_selection_values(),
-        readonly=True, states={'draft': [('readonly', False)]},
-        ondelete="set null")
+        readonly=True,
+        states={"draft": [("readonly", False)]},
+        ondelete="set null",
+    )
     product_id = fields.Many2one(
-        comodel_name="product.product", compute="_compute_product_id",
-        store=True, help="Product associated with the inspection",
-        oldname='product')
+        comodel_name="product.product",
+        compute="_compute_product_id",
+        store=True,
+        help="Product associated with the inspection",
+        oldname="product",
+    )
     qty = fields.Float(string="Quantity", default=1.0)
-    test = fields.Many2one(
-        comodel_name='qc.test', string='Test', readonly=True)
+    test = fields.Many2one(comodel_name="qc.test", string="Test", readonly=True)
     inspection_lines = fields.One2many(
-        comodel_name='qc.inspection.line', inverse_name='inspection_id',
-        string='Inspection lines', readonly=True,
-        states={'ready': [('readonly', False)]})
-    internal_notes = fields.Text(string='Internal notes')
+        comodel_name="qc.inspection.line",
+        inverse_name="inspection_id",
+        string="Inspection lines",
+        readonly=True,
+        states={"ready": [("readonly", False)]},
+    )
+    internal_notes = fields.Text(string="Internal notes")
     external_notes = fields.Text(
-        string='External notes',
-        states={'success': [('readonly', True)],
-                'failed': [('readonly', True)]})
+        string="External notes",
+        states={"success": [("readonly", True)], "failed": [("readonly", True)]},
+    )
     state = fields.Selection(
-        [('draft', 'Draft'),
-         ('ready', 'Ready'),
-         ('waiting', 'Waiting supervisor approval'),
-         ('success', 'Quality success'),
-         ('failed', 'Quality failed'),
-         ('canceled', 'Canceled')],
-        string='State', readonly=True, default='draft',
-        track_visibility='onchange')
+        [
+            ("draft", "Draft"),
+            ("ready", "Ready"),
+            ("waiting", "Waiting supervisor approval"),
+            ("success", "Quality success"),
+            ("failed", "Quality failed"),
+            ("canceled", "Canceled"),
+        ],
+        string="State",
+        readonly=True,
+        default="draft",
+        track_visibility="onchange",
+    )
     success = fields.Boolean(
-        compute="_compute_success", string='Success',
-        help='This field will be marked if all tests have succeeded.',
-        store=True)
+        compute="_compute_success",
+        string="Success",
+        help="This field will be marked if all tests have succeeded.",
+        store=True,
+    )
     auto_generated = fields.Boolean(
-        string='Auto-generated', readonly=True, copy=False,
-        help='If an inspection is auto-generated, it can be canceled but not '
-             'removed.')
+        string="Auto-generated",
+        readonly=True,
+        copy=False,
+        help="If an inspection is auto-generated, it can be canceled but not "
+        "removed.",
+    )
     company_id = fields.Many2one(
-        comodel_name='res.company', string='Company', readonly=True,
-        states={'draft': [('readonly', False)]},
-        default=lambda self: self.env['res.company']._company_default_get(
-            'qc.inspection'))
+        comodel_name="res.company",
+        string="Company",
+        readonly=True,
+        states={"draft": [("readonly", False)]},
+        default=lambda self: self.env["res.company"]._company_default_get(
+            "qc.inspection"
+        ),
+    )
     user = fields.Many2one(
-        comodel_name='res.users', string='Responsible',
-        track_visibility='always', default=lambda self: self.env.user)
+        comodel_name="res.users",
+        string="Responsible",
+        track_visibility="always",
+        default=lambda self: self.env.user,
+    )
 
     @api.model_create_multi
     def create(self, val_list):
         for vals in val_list:
-            if vals.get('name', '/') == '/':
-                vals['name'] = self.env['ir.sequence'] \
-                    .next_by_code('qc.inspection')
+            if vals.get("name", "/") == "/":
+                vals["name"] = self.env["ir.sequence"].next_by_code("qc.inspection")
         return super(QcInspection, self).create(vals)
 
     @api.multi
@@ -103,68 +136,74 @@ class QcInspection(models.Model):
         for inspection in self:
             if inspection.auto_generated:
                 raise exceptions.UserError(
-                    _("You cannot remove an auto-generated inspection."))
-            if inspection.state != 'draft':
+                    _("You cannot remove an auto-generated inspection.")
+                )
+            if inspection.state != "draft":
                 raise exceptions.UserError(
-                    _("You cannot remove an inspection that is not in draft "
-                      "state."))
+                    _("You cannot remove an inspection that is not in draft " "state.")
+                )
         return super(QcInspection, self).unlink()
 
     @api.multi
     def action_draft(self):
-        self.write({'state': 'draft'})
+        self.write({"state": "draft"})
 
     @api.multi
     def action_todo(self):
         for inspection in self:
             if not inspection.test:
-                raise exceptions.UserError(
-                    _("You must first set the test to perform."))
-        self.write({'state': 'ready'})
+                raise exceptions.UserError(_("You must first set the test to perform."))
+        self.write({"state": "ready"})
 
     @api.multi
     def action_confirm(self):
         for inspection in self:
             for line in inspection.inspection_lines:
-                if line.question_type == 'qualitative':
+                if line.question_type == "qualitative":
                     if not line.qualitative_value:
                         raise exceptions.UserError(
-                            _("You should provide an answer for all "
-                              "qualitative questions."))
+                            _(
+                                "You should provide an answer for all "
+                                "qualitative questions."
+                            )
+                        )
                 else:
                     if not line.uom_id:
                         raise exceptions.UserError(
-                            _("You should provide a unit of measure for "
-                              "quantitative questions."))
+                            _(
+                                "You should provide a unit of measure for "
+                                "quantitative questions."
+                            )
+                        )
             if inspection.success:
-                inspection.state = 'success'
+                inspection.state = "success"
             else:
-                inspection.state = 'waiting'
+                inspection.state = "waiting"
 
     @api.multi
     def action_approve(self):
         for inspection in self:
             if inspection.success:
-                inspection.state = 'success'
+                inspection.state = "success"
             else:
-                inspection.state = 'failed'
+                inspection.state = "failed"
 
     @api.multi
     def action_cancel(self):
-        self.write({'state': 'canceled'})
+        self.write({"state": "canceled"})
 
     @api.multi
     def set_test(self, trigger_line, force_fill=False):
         for inspection in self:
-            header = self._prepare_inspection_header(
-                inspection.object_id, trigger_line)
-            del header['state']  # don't change current status
-            del header['auto_generated']  # don't change auto_generated flag
-            del header['user']  # don't change current user
+            header = self._prepare_inspection_header(inspection.object_id, trigger_line)
+            del header["state"]  # don't change current status
+            del header["auto_generated"]  # don't change auto_generated flag
+            del header["user"]  # don't change current user
             inspection.write(header)
             inspection.inspection_lines.unlink()
             inspection.inspection_lines = inspection._prepare_inspection_lines(
-                trigger_line.test, force_fill=force_fill)
+                trigger_line.test, force_fill=force_fill
+            )
 
     @api.multi
     def _make_inspection(self, object_ref, trigger_line):
@@ -173,8 +212,9 @@ class QcInspection(models.Model):
         :param trigger_line: Trigger line instance
         :return: Inspection object
         """
-        inspection = self.create(self._prepare_inspection_header(
-            object_ref, trigger_line))
+        inspection = self.create(
+            self._prepare_inspection_header(object_ref, trigger_line)
+        )
         inspection.set_test(trigger_line)
         return inspection
 
@@ -186,12 +226,13 @@ class QcInspection(models.Model):
         :return: List of values for creating the inspection
         """
         return {
-            'object_id': object_ref and '%s,%s' % (object_ref._name,
-                                                   object_ref.id) or False,
-            'state': 'ready',
-            'test': trigger_line.test.id,
-            'user': trigger_line.user.id,
-            'auto_generated': True,
+            "object_id": object_ref
+            and "{},{}".format(object_ref._name, object_ref.id)
+            or False,
+            "state": "ready",
+            "test": trigger_line.test.id,
+            "user": trigger_line.user.id,
+            "auto_generated": True,
         }
 
     @api.multi
@@ -199,113 +240,144 @@ class QcInspection(models.Model):
         new_data = []
         for line in test.test_lines:
             data = self._prepare_inspection_line(
-                test, line, fill=test.fill_correct_values or force_fill)
+                test, line, fill=test.fill_correct_values or force_fill
+            )
             new_data.append((0, 0, data))
         return new_data
 
     @api.multi
     def _prepare_inspection_line(self, test, line, fill=None):
         data = {
-            'name': line.name,
-            'test_line': line.id,
-            'notes': line.notes,
-            'min_value': line.min_value,
-            'max_value': line.max_value,
-            'test_uom_id': line.uom_id.id,
-            'uom_id': line.uom_id.id,
-            'question_type': line.type,
-            'possible_ql_values': [x.id for x in line.ql_values]
+            "name": line.name,
+            "test_line": line.id,
+            "notes": line.notes,
+            "min_value": line.min_value,
+            "max_value": line.max_value,
+            "test_uom_id": line.uom_id.id,
+            "uom_id": line.uom_id.id,
+            "question_type": line.type,
+            "possible_ql_values": [x.id for x in line.ql_values],
         }
         if fill:
-            if line.type == 'qualitative':
+            if line.type == "qualitative":
                 # Fill with the first correct value found
                 for value in line.ql_values:
                     if value.ok:
-                        data['qualitative_value'] = value.id
+                        data["qualitative_value"] = value.id
                         break
             else:
                 # Fill with a value inside the interval
-                data['quantitative_value'] = (line.min_value +
-                                              line.max_value) * 0.5
+                data["quantitative_value"] = (line.min_value + line.max_value) * 0.5
         return data
 
 
 class QcInspectionLine(models.Model):
-    _name = 'qc.inspection.line'
+    _name = "qc.inspection.line"
     _description = "Quality control inspection line"
 
-    @api.depends('question_type', 'uom_id', 'test_uom_id', 'max_value',
-                 'min_value', 'quantitative_value', 'qualitative_value',
-                 'possible_ql_values')
+    @api.depends(
+        "question_type",
+        "uom_id",
+        "test_uom_id",
+        "max_value",
+        "min_value",
+        "quantitative_value",
+        "qualitative_value",
+        "possible_ql_values",
+    )
     def _compute_quality_test_check(self):
         for l in self:
-            if l.question_type == 'qualitative':
+            if l.question_type == "qualitative":
                 l.success = l.qualitative_value.ok
             else:
                 if l.uom_id.id == l.test_uom_id.id:
                     amount = l.quantitative_value
                 else:
-                    amount = self.env['uom.uom']._compute_quantity(
-                        l.quantitative_value,
-                        l.test_uom_id.id)
+                    amount = self.env["uom.uom"]._compute_quantity(
+                        l.quantitative_value, l.test_uom_id.id
+                    )
                 l.success = l.max_value >= amount >= l.min_value
 
-    @api.depends('possible_ql_values', 'min_value', 'max_value', 'test_uom_id',
-                 'question_type')
+    @api.depends(
+        "possible_ql_values", "min_value", "max_value", "test_uom_id", "question_type"
+    )
     def _compute_valid_values(self):
         for l in self:
-            if l.question_type == 'qualitative':
-                l.valid_values = \
-                    ", ".join([x.name for x in l.possible_ql_values if x.ok])
+            if l.question_type == "qualitative":
+                l.valid_values = ", ".join(
+                    [x.name for x in l.possible_ql_values if x.ok]
+                )
             else:
-                l.valid_values = "%s ~ %s" % (
+                l.valid_values = "{} ~ {}".format(
                     formatLang(self.env, l.min_value),
-                    formatLang(self.env, l.max_value))
-                if self.env.ref("uom.group_uom") \
-                        in self.env.user.groups_id:
+                    formatLang(self.env, l.max_value),
+                )
+                if self.env.ref("uom.group_uom") in self.env.user.groups_id:
                     l.valid_values += " %s" % l.test_uom_id.name
 
     inspection_id = fields.Many2one(
-        comodel_name='qc.inspection', string='Inspection', ondelete='cascade')
+        comodel_name="qc.inspection", string="Inspection", ondelete="cascade"
+    )
     name = fields.Char(string="Question", readonly=True)
     product_id = fields.Many2one(
-        comodel_name="product.product", related="inspection_id.product_id",
-        store=True,  oldname='product')
+        comodel_name="product.product",
+        related="inspection_id.product_id",
+        store=True,
+        oldname="product",
+    )
     test_line = fields.Many2one(
-        comodel_name='qc.test.question', string='Test question',
-        readonly=True)
+        comodel_name="qc.test.question", string="Test question", readonly=True
+    )
     possible_ql_values = fields.Many2many(
-        comodel_name='qc.test.question.value', string='Answers')
+        comodel_name="qc.test.question.value", string="Answers"
+    )
     quantitative_value = fields.Float(
-        'Quantitative value', digits=dp.get_precision('Quality Control'),
-        help="Value of the result for a quantitative question.")
+        "Quantitative value",
+        digits=dp.get_precision("Quality Control"),
+        help="Value of the result for a quantitative question.",
+    )
     qualitative_value = fields.Many2one(
-        comodel_name='qc.test.question.value', string='Qualitative value',
+        comodel_name="qc.test.question.value",
+        string="Qualitative value",
         help="Value of the result for a qualitative question.",
-        domain="[('id', 'in', possible_ql_values)]")
-    notes = fields.Text(string='Notes')
+        domain="[('id', 'in', possible_ql_values)]",
+    )
+    notes = fields.Text(string="Notes")
     min_value = fields.Float(
-        string='Min', digits=dp.get_precision('Quality Control'),
-        readonly=True, help="Minimum valid value for a quantitative question.")
+        string="Min",
+        digits=dp.get_precision("Quality Control"),
+        readonly=True,
+        help="Minimum valid value for a quantitative question.",
+    )
     max_value = fields.Float(
-        string='Max', digits=dp.get_precision('Quality Control'),
-        readonly=True, help="Maximum valid value for a quantitative question.")
+        string="Max",
+        digits=dp.get_precision("Quality Control"),
+        readonly=True,
+        help="Maximum valid value for a quantitative question.",
+    )
     test_uom_id = fields.Many2one(
-        comodel_name='uom.uom', string='Test UoM', readonly=True,
-        help="UoM for minimum and maximum values for a quantitative "
-             "question.")
+        comodel_name="uom.uom",
+        string="Test UoM",
+        readonly=True,
+        help="UoM for minimum and maximum values for a quantitative " "question.",
+    )
     test_uom_category = fields.Many2one(
-        comodel_name="uom.category", related="test_uom_id.category_id",
-        store=True)
+        comodel_name="uom.category", related="test_uom_id.category_id", store=True
+    )
     uom_id = fields.Many2one(
-        comodel_name='uom.uom', string='UoM',
+        comodel_name="uom.uom",
+        string="UoM",
         domain="[('category_id', '=', test_uom_category)]",
-        help="UoM of the inspection value for a quantitative question.")
+        help="UoM of the inspection value for a quantitative question.",
+    )
     question_type = fields.Selection(
-        [('qualitative', 'Qualitative'),
-         ('quantitative', 'Quantitative')],
-        string='Question type', readonly=True)
-    valid_values = fields.Char(string="Valid values", store=True,
-                               compute="_compute_valid_values")
+        [("qualitative", "Qualitative"), ("quantitative", "Quantitative")],
+        string="Question type",
+        readonly=True,
+    )
+    valid_values = fields.Char(
+        string="Valid values", store=True, compute="_compute_valid_values"
+    )
     success = fields.Boolean(
-        compute="_compute_quality_test_check", string="Success?", store=True)
+        compute="_compute_quality_test_check", string="Success?", store=True
+    )
diff --git a/quality_control_oca/models/qc_test.py b/quality_control_oca/models/qc_test.py
index e9df2c4ce..8309da9d9 100644
--- a/quality_control_oca/models/qc_test.py
+++ b/quality_control_oca/models/qc_test.py
@@ -5,7 +5,8 @@
 # Copyright 2017 Simone Rubino - Agile Business Group
 # License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
 
-from odoo import api, exceptions, fields, models, _
+from odoo import _, api, exceptions, fields, models
+
 import odoo.addons.decimal_precision as dp
 
 
@@ -13,92 +14,107 @@ class QcTest(models.Model):
     """
     A test is a group of questions along with the values that make them valid.
     """
-    _name = 'qc.test'
-    _description = 'Quality control test'
+
+    _name = "qc.test"
+    _description = "Quality control test"
 
     @api.multi
     def object_selection_values(self):
         return set()
 
-    @api.onchange('type')
+    @api.onchange("type")
     def onchange_type(self):
-        if self.type == 'generic':
+        if self.type == "generic":
             self.object_id = False
 
-    active = fields.Boolean('Active', default=True)
-    name = fields.Char(
-        string='Name', required=True, translate=True)
+    active = fields.Boolean("Active", default=True)
+    name = fields.Char(string="Name", required=True, translate=True)
     test_lines = fields.One2many(
-        comodel_name='qc.test.question', inverse_name='test',
-        string='Questions', copy=True)
+        comodel_name="qc.test.question",
+        inverse_name="test",
+        string="Questions",
+        copy=True,
+    )
     object_id = fields.Reference(
-        string='Reference object', selection=object_selection_values,)
-    fill_correct_values = fields.Boolean(
-        string='Pre-fill with correct values')
+        string="Reference object", selection=object_selection_values,
+    )
+    fill_correct_values = fields.Boolean(string="Pre-fill with correct values")
     type = fields.Selection(
-        [('generic', 'Generic'),
-         ('related', 'Related')],
-        string='Type', required=True, default='generic')
-    category = fields.Many2one(
-        comodel_name='qc.test.category', string='Category')
+        [("generic", "Generic"), ("related", "Related")],
+        string="Type",
+        required=True,
+        default="generic",
+    )
+    category = fields.Many2one(comodel_name="qc.test.category", string="Category")
     company_id = fields.Many2one(
-        comodel_name='res.company', string='Company',
-        default=lambda self: self.env['res.company']._company_default_get(
-            'qc.test'))
+        comodel_name="res.company",
+        string="Company",
+        default=lambda self: self.env["res.company"]._company_default_get("qc.test"),
+    )
 
 
 class QcTestQuestion(models.Model):
     """Each test line is a question with its valid value(s)."""
-    _name = 'qc.test.question'
-    _description = 'Quality control question'
-    _order = 'sequence, id'
 
-    @api.constrains('ql_values')
+    _name = "qc.test.question"
+    _description = "Quality control question"
+    _order = "sequence, id"
+
+    @api.constrains("ql_values")
     def _check_valid_answers(self):
         for tc in self:
-            if (tc.type == 'qualitative' and tc.ql_values and
-                    not tc.ql_values.filtered('ok')):
+            if (
+                tc.type == "qualitative"
+                and tc.ql_values
+                and not tc.ql_values.filtered("ok")
+            ):
                 raise exceptions.ValidationError(
-                    _("Question '%s' is not valid: "
-                      "you have to mark at least one value as OK.")
-                    % tc.name_get()[0][1])
+                    _(
+                        "Question '%s' is not valid: "
+                        "you have to mark at least one value as OK."
+                    )
+                    % tc.name_get()[0][1]
+                )
 
-    @api.constrains('min_value', 'max_value')
+    @api.constrains("min_value", "max_value")
     def _check_valid_range(self):
         for tc in self:
-            if tc.type == 'quantitative' and tc.min_value > tc.max_value:
+            if tc.type == "quantitative" and tc.min_value > tc.max_value:
                 raise exceptions.ValidationError(
-                    _("Question '%s' is not valid: "
-                      "minimum value can't be higher than maximum value.")
-                    % tc.name_get()[0][1])
+                    _(
+                        "Question '%s' is not valid: "
+                        "minimum value can't be higher than maximum value."
+                    )
+                    % tc.name_get()[0][1]
+                )
 
-    sequence = fields.Integer(
-        string='Sequence', required=True, default="10")
-    test = fields.Many2one(comodel_name='qc.test', string='Test')
-    name = fields.Char(
-        string='Name', required=True, translate=True)
+    sequence = fields.Integer(string="Sequence", required=True, default="10")
+    test = fields.Many2one(comodel_name="qc.test", string="Test")
+    name = fields.Char(string="Name", required=True, translate=True)
     type = fields.Selection(
-        [('qualitative', 'Qualitative'),
-         ('quantitative', 'Quantitative')], string='Type', required=True)
+        [("qualitative", "Qualitative"), ("quantitative", "Quantitative")],
+        string="Type",
+        required=True,
+    )
     ql_values = fields.One2many(
-        comodel_name='qc.test.question.value', inverse_name="test_line",
-        string='Qualitative values', copy=True)
-    notes = fields.Text(string='Notes')
-    min_value = fields.Float(string='Min',
-                             digits=dp.get_precision('Quality Control'))
-    max_value = fields.Float(string='Max',
-                             digits=dp.get_precision('Quality Control'),)
-    uom_id = fields.Many2one(comodel_name='uom.uom', string='Uom')
+        comodel_name="qc.test.question.value",
+        inverse_name="test_line",
+        string="Qualitative values",
+        copy=True,
+    )
+    notes = fields.Text(string="Notes")
+    min_value = fields.Float(string="Min", digits=dp.get_precision("Quality Control"))
+    max_value = fields.Float(string="Max", digits=dp.get_precision("Quality Control"),)
+    uom_id = fields.Many2one(comodel_name="uom.uom", string="Uom")
 
 
 class QcTestQuestionValue(models.Model):
-    _name = 'qc.test.question.value'
-    _description = 'Possible values for qualitative questions.'
+    _name = "qc.test.question.value"
+    _description = "Possible values for qualitative questions."
 
-    test_line = fields.Many2one(
-        comodel_name="qc.test.question", string="Test question")
-    name = fields.Char(
-        string='Name', required=True, translate=True)
+    test_line = fields.Many2one(comodel_name="qc.test.question", string="Test question")
+    name = fields.Char(string="Name", required=True, translate=True)
     ok = fields.Boolean(
-        string='Correct answer?',
-        help="When this field is marked, the answer is considered correct.")
+        string="Correct answer?",
+        help="When this field is marked, the answer is considered correct.",
+    )
diff --git a/quality_control_oca/models/qc_test_category.py b/quality_control_oca/models/qc_test_category.py
index c878c7065..5c90aacdf 100644
--- a/quality_control_oca/models/qc_test_category.py
+++ b/quality_control_oca/models/qc_test_category.py
@@ -5,45 +5,51 @@
 # Copyright 2017 Simone Rubino - Agile Business Group
 # License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
 
-from odoo import api, exceptions, fields, models, _
+from odoo import _, api, exceptions, fields, models
 
 
 class QcTestTemplateCategory(models.Model):
-    _name = 'qc.test.category'
-    _description = 'Test category'
+    _name = "qc.test.category"
+    _description = "Test category"
 
     @api.multi
-    @api.depends('name', 'parent_id')
+    @api.depends("name", "parent_id")
     def _compute_get_complete_name(self):
         for record in self:
-            names = [record.name or '']
+            names = [record.name or ""]
             parent = record.parent_id
             while parent:
                 names.append(parent.name)
                 parent = parent.parent_id
             record.complete_name = " / ".join(reversed(names))
 
-    @api.constrains('parent_id')
+    @api.constrains("parent_id")
     def _check_recursion(self):
         ids = self.ids
         level = 100
         while ids:
-            parents = self.search([('id', 'in', ids),
-                                   ('parent_id', '!=', False)])
-            ids = list(set([x.parent_id.id for x in parents]))
+            parents = self.search([("id", "in", ids), ("parent_id", "!=", False)])
+            ids = list({x.parent_id.id for x in parents})
             if not level:
                 raise exceptions.UserError(
-                    _('Error! You can not create recursive categories.'))
+                    _("Error! You can not create recursive categories.")
+                )
             level -= 1
 
-    name = fields.Char('Name', required=True, translate=True)
+    name = fields.Char("Name", required=True, translate=True)
     parent_id = fields.Many2one(
-        comodel_name='qc.test.category', string='Parent category')
+        comodel_name="qc.test.category", string="Parent category"
+    )
     complete_name = fields.Char(
-        compute="_compute_get_complete_name", string='Full name')
+        compute="_compute_get_complete_name", string="Full name"
+    )
     child_ids = fields.One2many(
-        comodel_name='qc.test.category', inverse_name='parent_id',
-        string='Child categories')
+        comodel_name="qc.test.category",
+        inverse_name="parent_id",
+        string="Child categories",
+    )
     active = fields.Boolean(
-        string='Active', default=True,
-        help="This field allows you to hide the category without removing it.")
+        string="Active",
+        default=True,
+        help="This field allows you to hide the category without removing it.",
+    )
diff --git a/quality_control_oca/models/qc_trigger.py b/quality_control_oca/models/qc_trigger.py
index 052105fb2..70d391146 100644
--- a/quality_control_oca/models/qc_trigger.py
+++ b/quality_control_oca/models/qc_trigger.py
@@ -9,17 +9,19 @@ from odoo import fields, models
 
 
 class QcTrigger(models.Model):
-    _name = 'qc.trigger'
-    _description = 'Quality control trigger'
+    _name = "qc.trigger"
+    _description = "Quality control trigger"
 
-    name = fields.Char(string='Name', required=True,
-                       translate=True)
-    active = fields.Boolean(string='Active', default=True)
+    name = fields.Char(string="Name", required=True, translate=True)
+    active = fields.Boolean(string="Active", default=True)
     company_id = fields.Many2one(
-        comodel_name='res.company', string='Company',
-        default=lambda self: self.env['res.company']._company_default_get(
-            'qc.test'))
+        comodel_name="res.company",
+        string="Company",
+        default=lambda self: self.env["res.company"]._company_default_get("qc.test"),
+    )
     partner_selectable = fields.Boolean(
-        string='Selectable by partner', default=False, readonly=True,
-        help='This technical field is to allow to filter by partner in'
-        ' triggers')
+        string="Selectable by partner",
+        default=False,
+        readonly=True,
+        help="This technical field is to allow to filter by partner in" " triggers",
+    )
diff --git a/quality_control_oca/models/qc_trigger_line.py b/quality_control_oca/models/qc_trigger_line.py
index 67711030b..418be48db 100644
--- a/quality_control_oca/models/qc_trigger_line.py
+++ b/quality_control_oca/models/qc_trigger_line.py
@@ -25,13 +25,19 @@ class QcTriggerLine(models.AbstractModel):
     trigger = fields.Many2one(comodel_name="qc.trigger", required=True)
     test = fields.Many2one(comodel_name="qc.test", required=True)
     user = fields.Many2one(
-        comodel_name='res.users', string='Responsible',
-        track_visibility='always', default=lambda self: self.env.user)
+        comodel_name="res.users",
+        string="Responsible",
+        track_visibility="always",
+        default=lambda self: self.env.user,
+    )
     partners = fields.Many2many(
-        comodel_name='res.partner', string='Partners',
-        help='If filled, the test will only be created when the action is done'
-        ' for one of the specified partners. If empty, the test will always be'
-        ' created.', domain="[('parent_id', '=', False)]")
+        comodel_name="res.partner",
+        string="Partners",
+        help="If filled, the test will only be created when the action is done"
+        " for one of the specified partners. If empty, the test will always be"
+        " created.",
+        domain="[('parent_id', '=', False)]",
+    )
 
     def get_trigger_line_for_product(self, trigger, product, partner=False):
         """Overridable method for getting trigger_line associated to a product.
@@ -53,15 +59,18 @@ class QcTriggerProductCategoryLine(models.Model):
 
     def get_trigger_line_for_product(self, trigger, product, partner=False):
         trigger_lines = super(
-            QcTriggerProductCategoryLine,
-            self).get_trigger_line_for_product(trigger, product,
-                                               partner=partner)
+            QcTriggerProductCategoryLine, self
+        ).get_trigger_line_for_product(trigger, product, partner=partner)
         category = product.categ_id
         while category:
             for trigger_line in category.qc_triggers.filtered(
-                    lambda r: r.trigger == trigger and (
-                    not r.partners or not partner or
-                    partner.commercial_partner_id in r.partners)):
+                lambda r: r.trigger == trigger
+                and (
+                    not r.partners
+                    or not partner
+                    or partner.commercial_partner_id in r.partners
+                )
+            ):
                 trigger_lines.add(trigger_line)
             category = category.parent_id
         return trigger_lines
@@ -75,14 +84,17 @@ class QcTriggerProductTemplateLine(models.Model):
 
     def get_trigger_line_for_product(self, trigger, product, partner=False):
         trigger_lines = super(
-            QcTriggerProductTemplateLine,
-            self).get_trigger_line_for_product(trigger, product,
-                                               partner=partner)
+            QcTriggerProductTemplateLine, self
+        ).get_trigger_line_for_product(trigger, product, partner=partner)
         for trigger_line in product.product_tmpl_id.qc_triggers.filtered(
-                lambda r: r.trigger == trigger and (
-                not r.partners or not partner or
-                partner.commercial_partner_id in r.partners) and
-                r.test.active):
+            lambda r: r.trigger == trigger
+            and (
+                not r.partners
+                or not partner
+                or partner.commercial_partner_id in r.partners
+            )
+            and r.test.active
+        ):
             trigger_lines.add(trigger_line)
         return trigger_lines
 
@@ -94,14 +106,17 @@ class QcTriggerProductLine(models.Model):
     product = fields.Many2one(comodel_name="product.product")
 
     def get_trigger_line_for_product(self, trigger, product, partner=False):
-        trigger_lines = super(
-            QcTriggerProductLine,
-            self).get_trigger_line_for_product(trigger, product,
-                                               partner=partner)
+        trigger_lines = super(QcTriggerProductLine, self).get_trigger_line_for_product(
+            trigger, product, partner=partner
+        )
         for trigger_line in product.qc_triggers.filtered(
-                lambda r: r.trigger == trigger and (
-                not r.partners or not partner or
-                partner.commercial_partner_id in r.partners) and
-                r.test.active):
+            lambda r: r.trigger == trigger
+            and (
+                not r.partners
+                or not partner
+                or partner.commercial_partner_id in r.partners
+            )
+            and r.test.active
+        ):
             trigger_lines.add(trigger_line)
         return trigger_lines
diff --git a/quality_control_oca/readme/CONFIGURE.rst b/quality_control_oca/readme/CONFIGURE.rst
index 8985bbbb7..a87dfeb63 100644
--- a/quality_control_oca/readme/CONFIGURE.rst
+++ b/quality_control_oca/readme/CONFIGURE.rst
@@ -26,4 +26,3 @@ The complete inspection workflow is:
                 | -> Failure (Pending approval) -> Approved
 
 Based on the nan_quality_control_* modules from NaN·tic.
-
diff --git a/quality_control_oca/readme/DESCRIPTION.rst b/quality_control_oca/readme/DESCRIPTION.rst
index 5c39c4e9e..0f33feb2a 100644
--- a/quality_control_oca/readme/DESCRIPTION.rst
+++ b/quality_control_oca/readme/DESCRIPTION.rst
@@ -1,3 +1,3 @@
 This module provides a generic infrastructure for quality tests. The idea is
 that it can be later reused for doing quality inspections on production lots
-or any other area of the company.
\ No newline at end of file
+or any other area of the company.
diff --git a/quality_control_oca/readme/ROADMAP.rst b/quality_control_oca/readme/ROADMAP.rst
index 9dc3eaba1..b0ab3659f 100644
--- a/quality_control_oca/readme/ROADMAP.rst
+++ b/quality_control_oca/readme/ROADMAP.rst
@@ -1 +1 @@
-* Make translatable the trigger name.
\ No newline at end of file
+* Make translatable the trigger name.
diff --git a/quality_control_oca/security/quality_control_security.xml b/quality_control_oca/security/quality_control_security.xml
index 9fa32a2c0..af3672848 100644
--- a/quality_control_oca/security/quality_control_security.xml
+++ b/quality_control_oca/security/quality_control_security.xml
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8" ?>
 <!-- Copyright 2010 NaN Projectes de Programari Lliure, S.L.
     Copyright 2014 Serv. Tec. Avanzados - Pedro M. Baeza
     Copyright 2014 Oihane Crucelaegui - AvanzOSC
@@ -6,42 +6,44 @@
     Copyright 2017 Simone Rubino - Agile Business Group
     License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl). -->
 <odoo>
-
     <record model="ir.module.category" id="module_category_quality_control">
         <field name="name">Quality control</field>
     </record>
-
     <record id="group_quality_control_user" model="res.groups">
         <field name="name">User</field>
-        <field name="category_id" ref="module_category_quality_control"/>
+        <field name="category_id" ref="module_category_quality_control" />
     </record>
-
     <record id="group_quality_control_manager" model="res.groups">
         <field name="name">Manager</field>
-        <field name="category_id" ref="module_category_quality_control"/>
-        <field name="implied_ids" eval="[(4, ref('group_quality_control_user'))]"/>
-        <field name="users" eval="[(4, ref('base.user_root')), (4, ref('base.user_admin'))]"/>
+        <field name="category_id" ref="module_category_quality_control" />
+        <field name="implied_ids" eval="[(4, ref('group_quality_control_user'))]" />
+        <field
+            name="users"
+            eval="[(4, ref('base.user_root')), (4, ref('base.user_admin'))]"
+        />
     </record>
-
     <record id="qc_test_multi_company_rule" model="ir.rule">
         <field name="name">Quality control test multi-company</field>
-        <field name="model_id" ref="model_qc_test"/>
-        <field name="global" eval="True"/>
-        <field name="domain_force">['|', ('company_id', '=', False), ('company_id', 'child_of', [user.company_id.id])]</field>
+        <field name="model_id" ref="model_qc_test" />
+        <field name="global" eval="True" />
+        <field
+            name="domain_force"
+        >['|', ('company_id', '=', False), ('company_id', 'child_of', [user.company_id.id])]</field>
     </record>
-
     <record id="qc_inspection_multi_company_rule" model="ir.rule">
         <field name="name">Quality control inspection multi-company</field>
-        <field name="model_id" ref="model_qc_inspection"/>
-        <field name="global" eval="True"/>
-        <field name="domain_force">['|', ('company_id', '=', False), ('company_id', 'child_of', [user.company_id.id])]</field>
+        <field name="model_id" ref="model_qc_inspection" />
+        <field name="global" eval="True" />
+        <field
+            name="domain_force"
+        >['|', ('company_id', '=', False), ('company_id', 'child_of', [user.company_id.id])]</field>
     </record>
-
     <record id="qc_trigger_multi_company_rule" model="ir.rule">
         <field name="name">Quality control trigger multi-company</field>
-        <field name="model_id" ref="model_qc_trigger"/>
-        <field name="global" eval="True"/>
-        <field name="domain_force">['|', ('company_id', '=', False), ('company_id', 'child_of', [user.company_id.id])]</field>
+        <field name="model_id" ref="model_qc_trigger" />
+        <field name="global" eval="True" />
+        <field
+            name="domain_force"
+        >['|', ('company_id', '=', False), ('company_id', 'child_of', [user.company_id.id])]</field>
     </record>
-
 </odoo>
diff --git a/quality_control_oca/tests/test_quality_control.py b/quality_control_oca/tests/test_quality_control.py
index 883484e7b..7f79d68d3 100644
--- a/quality_control_oca/tests/test_quality_control.py
+++ b/quality_control_oca/tests/test_quality_control.py
@@ -5,204 +5,220 @@
 # Copyright 2017 Simone Rubino - Agile Business Group
 # License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
 
-from odoo.tests.common import TransactionCase
 from odoo import exceptions
-from ..models.qc_trigger_line import\
-    _filter_trigger_lines
+from odoo.tests.common import TransactionCase
+
+from ..models.qc_trigger_line import _filter_trigger_lines
 
 
 class TestQualityControl(TransactionCase):
-
     def setUp(self):
         super(TestQualityControl, self).setUp()
-        self.inspection_model = self.env['qc.inspection']
-        self.category_model = self.env['qc.test.category']
-        self.question_model = self.env['qc.test.question']
-        self.wizard_model = self.env['qc.inspection.set.test']
-        self.qc_trigger = self.env['qc.trigger'].create({
-            'name': 'Test Trigger',
-            'active': True,
-        })
-        self.test = self.env.ref('quality_control.qc_test_1')
-        self.val_ok = self.env.ref('quality_control.qc_test_question_value_1')
-        self.val_ko = self.env.ref('quality_control.qc_test_question_value_2')
-        self.qn_question = self.env.ref('quality_control.qc_test_question_2')
+        self.inspection_model = self.env["qc.inspection"]
+        self.category_model = self.env["qc.test.category"]
+        self.question_model = self.env["qc.test.question"]
+        self.wizard_model = self.env["qc.inspection.set.test"]
+        self.qc_trigger = self.env["qc.trigger"].create(
+            {"name": "Test Trigger", "active": True}
+        )
+        self.test = self.env.ref("quality_control.qc_test_1")
+        self.val_ok = self.env.ref("quality_control.qc_test_question_value_1")
+        self.val_ko = self.env.ref("quality_control.qc_test_question_value_2")
+        self.qn_question = self.env.ref("quality_control.qc_test_question_2")
         self.cat_generic = self.env.ref(
-            'quality_control.qc_test_template_category_generic')
-        self.product = self.env.ref('product.product_product_11')
-        inspection_lines = (
-            self.inspection_model._prepare_inspection_lines(self.test))
-        self.inspection1 = self.inspection_model.create({
-            'name': 'Test Inspection',
-            'inspection_lines': inspection_lines,
-        })
+            "quality_control.qc_test_template_category_generic"
+        )
+        self.product = self.env.ref("product.product_product_11")
+        inspection_lines = self.inspection_model._prepare_inspection_lines(self.test)
+        self.inspection1 = self.inspection_model.create(
+            {"name": "Test Inspection", "inspection_lines": inspection_lines}
+        )
         self.wizard = self.wizard_model.with_context(
-            active_id=self.inspection1.id).create({
-                'test': self.test.id,
-            })
+            active_id=self.inspection1.id
+        ).create({"test": self.test.id})
         self.wizard.action_create_test()
         self.inspection1.action_todo()
 
     def test_inspection_correct(self):
         for line in self.inspection1.inspection_lines:
-            if line.question_type == 'qualitative':
+            if line.question_type == "qualitative":
                 line.qualitative_value = self.val_ok
-            if line.question_type == 'quantitative':
+            if line.question_type == "quantitative":
                 line.quantitative_value = 5.0
         self.inspection1.action_confirm()
         for line in self.inspection1.inspection_lines:
             self.assertTrue(
-                line.success,
-                'Incorrect state in inspection line %s' % line.name)
+                line.success, "Incorrect state in inspection line %s" % line.name
+            )
         self.assertTrue(
             self.inspection1.success,
-            'Incorrect state in inspection %s' % self.inspection1.name)
-        self.assertEqual(self.inspection1.state, 'success')
+            "Incorrect state in inspection %s" % self.inspection1.name,
+        )
+        self.assertEqual(self.inspection1.state, "success")
         self.inspection1.action_approve()
-        self.assertEqual(self.inspection1.state, 'success')
+        self.assertEqual(self.inspection1.state, "success")
 
     def test_inspection_incorrect(self):
         for line in self.inspection1.inspection_lines:
-            if line.question_type == 'qualitative':
+            if line.question_type == "qualitative":
                 line.qualitative_value = self.val_ko
-            if line.question_type == 'quantitative':
+            if line.question_type == "quantitative":
                 line.quantitative_value = 15.0
         self.inspection1.action_confirm()
         for line in self.inspection1.inspection_lines:
             self.assertFalse(
-                line.success,
-                'Incorrect state in inspection line %s' % line.name)
+                line.success, "Incorrect state in inspection line %s" % line.name
+            )
         self.assertFalse(
             self.inspection1.success,
-            'Incorrect state in inspection %s' % self.inspection1.name)
-        self.assertEqual(self.inspection1.state, 'waiting')
+            "Incorrect state in inspection %s" % self.inspection1.name,
+        )
+        self.assertEqual(self.inspection1.state, "waiting")
         self.inspection1.action_approve()
-        self.assertEqual(self.inspection1.state, 'failed')
+        self.assertEqual(self.inspection1.state, "failed")
 
     def test_actions_errors(self):
         inspection2 = self.inspection1.copy()
         inspection2.action_draft()
-        inspection2.write({'test': False})
+        inspection2.write({"test": False})
         with self.assertRaises(exceptions.UserError):
             inspection2.action_todo()
         inspection3 = self.inspection1.copy()
-        inspection3.write({
-            'inspection_lines':
-            self.inspection_model._prepare_inspection_lines(inspection3.test)
-        })
+        inspection3.write(
+            {
+                "inspection_lines": self.inspection_model._prepare_inspection_lines(
+                    inspection3.test
+                )
+            }
+        )
         for line in inspection3.inspection_lines:
-            if line.question_type == 'quantitative':
+            if line.question_type == "quantitative":
                 line.quantitative_value = 15.0
         with self.assertRaises(exceptions.UserError):
             inspection3.action_confirm()
         inspection4 = self.inspection1.copy()
-        inspection4.write({
-            'inspection_lines':
-            self.inspection_model._prepare_inspection_lines(inspection4.test)
-        })
+        inspection4.write(
+            {
+                "inspection_lines": self.inspection_model._prepare_inspection_lines(
+                    inspection4.test
+                )
+            }
+        )
         for line in inspection4.inspection_lines:
-            if line.question_type == 'quantitative':
-                line.write({
-                    'uom_id': False,
-                    'quantitative_value': 15.0,
-                })
-            elif line.question_type == 'qualitative':
+            if line.question_type == "quantitative":
+                line.write({"uom_id": False, "quantitative_value": 15.0})
+            elif line.question_type == "qualitative":
                 line.qualitative_value = self.val_ok
         with self.assertRaises(exceptions.UserError):
             inspection4.action_confirm()
 
     def test_categories(self):
-        category1 = self.category_model.create({
-            'name': 'Category ONE',
-        })
-        category2 = self.category_model.create({
-            'name': 'Category TWO',
-            'parent_id': category1.id,
-        })
+        category1 = self.category_model.create({"name": "Category ONE"})
+        category2 = self.category_model.create(
+            {"name": "Category TWO", "parent_id": category1.id}
+        )
         self.assertEqual(
             category2.complete_name,
-            '%s / %s' % (category1.name, category2.name),
-            'Something went wrong when computing complete name')
+            "{} / {}".format(category1.name, category2.name),
+            "Something went wrong when computing complete name",
+        )
         with self.assertRaises(exceptions.ValidationError):
             category1.parent_id = category2.id
 
     def test_get_qc_trigger_product(self):
-        self.test.write({
-            'fill_correct_values': True,
-        })
+        self.test.write({"fill_correct_values": True})
         trigger_lines = set()
-        self.product.write({
-            'qc_triggers': [(0, 0, {'trigger': self.qc_trigger.id,
-                                    'test': self.test.id})],
-        })
-        self.product.product_tmpl_id.write({
-            'qc_triggers': [(0, 0, {'trigger': self.qc_trigger.id,
-                                    'test': self.test.id})],
-        })
-        self.product.categ_id.write({
-            'qc_triggers': [(0, 0, {'trigger': self.qc_trigger.id,
-                                    'test': self.test.id})],
-        })
-        for model in ['qc.trigger.product_category_line',
-                      'qc.trigger.product_template_line',
-                      'qc.trigger.product_line']:
+        self.product.write(
+            {
+                "qc_triggers": [
+                    (0, 0, {"trigger": self.qc_trigger.id, "test": self.test.id})
+                ],
+            }
+        )
+        self.product.product_tmpl_id.write(
+            {
+                "qc_triggers": [
+                    (0, 0, {"trigger": self.qc_trigger.id, "test": self.test.id})
+                ],
+            }
+        )
+        self.product.categ_id.write(
+            {
+                "qc_triggers": [
+                    (0, 0, {"trigger": self.qc_trigger.id, "test": self.test.id})
+                ],
+            }
+        )
+        for model in [
+            "qc.trigger.product_category_line",
+            "qc.trigger.product_template_line",
+            "qc.trigger.product_line",
+        ]:
             trigger_lines = trigger_lines.union(
                 self.env[model].get_trigger_line_for_product(
-                    self.qc_trigger, self.product))
+                    self.qc_trigger, self.product
+                )
+            )
         self.assertEqual(len(trigger_lines), 3)
         filtered_trigger_lines = _filter_trigger_lines(trigger_lines)
         self.assertEqual(len(filtered_trigger_lines), 1)
         for trigger_line in filtered_trigger_lines:
             inspection = self.inspection_model._make_inspection(
-                self.product, trigger_line)
-            self.assertEqual(inspection.state, 'ready')
+                self.product, trigger_line
+            )
+            self.assertEqual(inspection.state, "ready")
             self.assertTrue(inspection.auto_generated)
             self.assertEqual(inspection.test, self.test)
             for line in inspection.inspection_lines:
-                if line.question_type == 'qualitative':
+                if line.question_type == "qualitative":
                     self.assertEqual(line.qualitative_value, self.val_ok)
-                elif line.question_type == 'quantitative':
+                elif line.question_type == "quantitative":
                     self.assertAlmostEqual(
-                        round(line.quantitative_value, 2), round((
-                            self.qn_question.min_value +
-                            self.qn_question.max_value) * 0.5, 2))
+                        round(line.quantitative_value, 2),
+                        round(
+                            (self.qn_question.min_value + self.qn_question.max_value)
+                            * 0.5,
+                            2,
+                        ),
+                    )
 
     def test_qc_inspection_not_draft_unlink(self):
         with self.assertRaises(exceptions.UserError):
             self.inspection1.unlink()
         inspection2 = self.inspection1.copy()
         inspection2.action_cancel()
-        self.assertEqual(inspection2.state, 'canceled')
+        self.assertEqual(inspection2.state, "canceled")
         inspection2.action_draft()
-        self.assertEqual(inspection2.state, 'draft')
+        self.assertEqual(inspection2.state, "draft")
         inspection2.unlink()
 
     def test_qc_inspection_auto_generate_unlink(self):
         inspection2 = self.inspection1.copy()
-        inspection2.write({
-            'auto_generated': True,
-        })
+        inspection2.write({"auto_generated": True})
         with self.assertRaises(exceptions.UserError):
             inspection2.unlink()
 
     def test_qc_inspection_product(self):
-        self.inspection1.write({
-            'object_id': '%s,%d' % (self.product._name, self.product.id),
-        })
+        self.inspection1.write(
+            {"object_id": "%s,%d" % (self.product._name, self.product.id)}
+        )
         self.assertEqual(self.inspection1.product_id, self.product)
 
     def test_qc_test_question_constraints(self):
         with self.assertRaises(exceptions.ValidationError):
-            self.question_model.create({
-                'name': 'Quantitative Question',
-                'type': 'quantitative',
-                'min_value': 1.0,
-                'max_value': 0.0,
-            })
+            self.question_model.create(
+                {
+                    "name": "Quantitative Question",
+                    "type": "quantitative",
+                    "min_value": 1.0,
+                    "max_value": 0.0,
+                }
+            )
         with self.assertRaises(exceptions.ValidationError):
-            self.question_model.create({
-                'name': 'Qualitative Question',
-                'type': 'qualitative',
-                'ql_values': [(0, 0, {'name': 'Qualitative answer',
-                                      'ok': False})],
-            })
+            self.question_model.create(
+                {
+                    "name": "Qualitative Question",
+                    "type": "qualitative",
+                    "ql_values": [(0, 0, {"name": "Qualitative answer", "ok": False})],
+                }
+            )
diff --git a/quality_control_oca/views/product_category_view.xml b/quality_control_oca/views/product_category_view.xml
index 3942c317a..a06b3dbd3 100644
--- a/quality_control_oca/views/product_category_view.xml
+++ b/quality_control_oca/views/product_category_view.xml
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8" ?>
 <!-- Copyright 2010 NaN Projectes de Programari Lliure, S.L.
     Copyright 2014 Serv. Tec. Avanzados - Pedro M. Baeza
     Copyright 2014 Oihane Crucelaegui - AvanzOSC
@@ -6,17 +6,19 @@
     Copyright 2017 Simone Rubino - Agile Business Group
     License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl). -->
 <odoo>
-
     <record model="ir.ui.view" id="product_category_qc_form_view">
         <field name="name">product.category.qc</field>
         <field name="model">product.category</field>
-        <field name="inherit_id" ref="product.product_category_form_view"/>
+        <field name="inherit_id" ref="product.product_category_form_view" />
         <field name="arch" type="xml">
             <group name="first" position="after">
                 <group name="qc" string="Quality control">
                     <field name="qc_triggers" nolabel="1">
                         <tree string="Quality control triggers" editable="bottom">
-                            <field name="trigger" options="{'no_create': True, 'no_edit': True, 'no_open': True}" />
+                            <field
+                                name="trigger"
+                                options="{'no_create': True, 'no_edit': True, 'no_open': True}"
+                            />
                             <field name="test" />
                             <field name="user" />
                             <field name="partners" widget="many2many_tags" />
@@ -26,5 +28,4 @@
             </group>
         </field>
     </record>
-
 </odoo>
diff --git a/quality_control_oca/views/product_template_view.xml b/quality_control_oca/views/product_template_view.xml
index 721d79f63..7b2803af1 100644
--- a/quality_control_oca/views/product_template_view.xml
+++ b/quality_control_oca/views/product_template_view.xml
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8" ?>
 <!-- Copyright 2010 NaN Projectes de Programari Lliure, S.L.
     Copyright 2014 Serv. Tec. Avanzados - Pedro M. Baeza
     Copyright 2014 Oihane Crucelaegui - AvanzOSC
@@ -6,19 +6,24 @@
     Copyright 2017 Simone Rubino - Agile Business Group
     License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl). -->
 <odoo>
-
     <record model="ir.ui.view" id="product_template_qc_form_view">
         <field name="name">product.template.qc</field>
         <field name="model">product.template</field>
-        <field name="inherit_id" ref="product.product_template_only_form_view"/>
-        <field name="groups_id" eval="[(4, ref('quality_control.group_quality_control_user'))]" />
+        <field name="inherit_id" ref="product.product_template_only_form_view" />
+        <field
+            name="groups_id"
+            eval="[(4, ref('quality_control.group_quality_control_user'))]"
+        />
         <field name="arch" type="xml">
             <page name="inventory" position="inside">
                 <group name="qc" string="Quality control">
                     <field name="qc_triggers" nolabel="1">
                         <tree string="Quality control triggers" editable="bottom">
-                            <field name="trigger" options="{'no_create': True, 'no_edit': True, 'no_open': True}"/>
-                            <field name="test"/>
+                            <field
+                                name="trigger"
+                                options="{'no_create': True, 'no_edit': True, 'no_open': True}"
+                            />
+                            <field name="test" />
                             <field name="user" />
                             <field name="partners" widget="many2many_tags" />
                         </tree>
@@ -27,5 +32,4 @@
             </page>
         </field>
     </record>
-
 </odoo>
diff --git a/quality_control_oca/views/qc_inspection_view.xml b/quality_control_oca/views/qc_inspection_view.xml
index 5c9451405..37f18aa60 100644
--- a/quality_control_oca/views/qc_inspection_view.xml
+++ b/quality_control_oca/views/qc_inspection_view.xml
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8" ?>
 <!-- Copyright 2010 NaN Projectes de Programari Lliure, S.L.
     Copyright 2014 Serv. Tec. Avanzados - Pedro M. Baeza
     Copyright 2014 Oihane Crucelaegui - AvanzOSC
@@ -6,56 +6,69 @@
     Copyright 2017 Simone Rubino - Agile Business Group
     License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl). -->
 <odoo>
-
     <record model="ir.ui.view" id="qc_inspection_form_view">
         <field name="name">qc.inspection.form</field>
         <field name="model">qc.inspection</field>
         <field name="arch" type="xml">
             <form string="Inspection">
                 <header>
-                    <button name="action_draft"
-                            type="object"
-                            attrs="{'invisible': [('state', '!=', 'canceled')]}"
-                            string="Draft" />
-                    <button name="action_todo"
-                            type="object"
-                            class="oe_highlight"
-                            states="draft"
-                            string="Mark todo" />
-                    <button name="action_confirm"
-                            type="object"
-                            class="oe_highlight"
-                            states="ready"
-                            string="Confirm"
-                            icon="fa-check" />
-                    <button name="action_approve"
-                            type="object"
-                            states="waiting"
-                            class="oe_highlight"
-                            groups="quality_control.group_quality_control_manager"
-                            string="Approve" />
-                    <button name="action_cancel"
-                            type="object"
-                            attrs="{'invisible': [('state', 'not in', ['waiting', 'ready', 'failed', 'success'])]}"
-                            string="Cancel"
-                            icon="fa-ban" />
-                    <field name="state"
-                           widget="statusbar"
-                           statusbar_visible="draft,waiting,success"
-                           statusbar_colors='{"success": "blue", "failed": "red"}' />
+                    <button
+                        name="action_draft"
+                        type="object"
+                        attrs="{'invisible': [('state', '!=', 'canceled')]}"
+                        string="Draft"
+                    />
+                    <button
+                        name="action_todo"
+                        type="object"
+                        class="oe_highlight"
+                        states="draft"
+                        string="Mark todo"
+                    />
+                    <button
+                        name="action_confirm"
+                        type="object"
+                        class="oe_highlight"
+                        states="ready"
+                        string="Confirm"
+                        icon="fa-check"
+                    />
+                    <button
+                        name="action_approve"
+                        type="object"
+                        states="waiting"
+                        class="oe_highlight"
+                        groups="quality_control.group_quality_control_manager"
+                        string="Approve"
+                    />
+                    <button
+                        name="action_cancel"
+                        type="object"
+                        attrs="{'invisible': [('state', 'not in', ['waiting', 'ready', 'failed', 'success'])]}"
+                        string="Cancel"
+                        icon="fa-ban"
+                    />
+                    <field
+                        name="state"
+                        widget="statusbar"
+                        statusbar_visible="draft,waiting,success"
+                        statusbar_colors='{"success": "blue", "failed": "red"}'
+                    />
                 </header>
                 <sheet>
                     <div class="oe_right oe_button_box" name="buttons">
-                        <button class="oe_inline oe_stat_button"
-                                type="action"
-                                name="%(action_qc_inspection_set_test)d"
-                                icon="fa-bookmark-o"
-                                states="draft"
-                                string="Set test" />
+                        <button
+                            class="oe_inline oe_stat_button"
+                            type="action"
+                            name="%(action_qc_inspection_set_test)d"
+                            icon="fa-bookmark-o"
+                            states="draft"
+                            string="Set test"
+                        />
                     </div>
                     <h1>
-                        <label string="Inspection " for="name"/>
-                        <field name="name" class="oe_inline"/>
+                        <label string="Inspection " for="name" />
+                        <field name="name" class="oe_inline" />
                     </h1>
                     <group>
                         <group>
@@ -74,45 +87,57 @@
                     <notebook>
                         <page string="Questions">
                             <field name="inspection_lines" nolabel="1">
-                                <tree string="Inspection lines" editable="top" delete="false" create="false">
+                                <tree
+                                    string="Inspection lines"
+                                    editable="top"
+                                    delete="false"
+                                    create="false"
+                                >
                                     <field name="name" />
                                     <field name="question_type" />
                                     <field name="possible_ql_values" invisible="1" />
-                                    <field name="qualitative_value"
-                                           attrs="{'readonly': [('question_type', '=', 'quantitative')]}" />
-                                    <field name="quantitative_value"
-                                           attrs="{'readonly': [('question_type', '=', 'qualitative')]}" />
-                                    <field name="uom_id"
-                                           groups="uom.group_uom"
-                                           attrs="{'readonly': [('question_type', '=', 'qualitative')]}" />
-                                    <field name="test_uom_category" invisible="1"/>
-                                    <field name="min_value" invisible="1"/>
-                                    <field name="max_value" invisible="1"/>
+                                    <field
+                                        name="qualitative_value"
+                                        attrs="{'readonly': [('question_type', '=', 'quantitative')]}"
+                                    />
+                                    <field
+                                        name="quantitative_value"
+                                        attrs="{'readonly': [('question_type', '=', 'qualitative')]}"
+                                    />
+                                    <field
+                                        name="uom_id"
+                                        groups="uom.group_uom"
+                                        attrs="{'readonly': [('question_type', '=', 'qualitative')]}"
+                                    />
+                                    <field name="test_uom_category" invisible="1" />
+                                    <field name="min_value" invisible="1" />
+                                    <field name="max_value" invisible="1" />
                                     <field name="valid_values" />
                                     <field name="success" />
                                 </tree>
                             </field>
                         </page>
                         <page string="Notes">
-                            <group string="Internal notes" >
-                                <field name="internal_notes"
-                                       nolabel="1" />
+                            <group string="Internal notes">
+                                <field name="internal_notes" nolabel="1" />
                             </group>
-                            <group string="External notes" >
-                                <field name="external_notes"
-                                       nolabel="1" />
+                            <group string="External notes">
+                                <field name="external_notes" nolabel="1" />
                             </group>
                         </page>
                     </notebook>
                 </sheet>
                 <div class="oe_chatter">
-                    <field name="message_follower_ids" widget="mail_followers" groups="base.group_user"/>
-                    <field name="message_ids" widget="mail_thread"/>
+                    <field
+                        name="message_follower_ids"
+                        widget="mail_followers"
+                        groups="base.group_user"
+                    />
+                    <field name="message_ids" widget="mail_thread" />
                 </div>
             </form>
         </field>
     </record>
-
     <record model="ir.ui.view" id="qc_inspection_tree_view">
         <field name="name">qc.inspection.tree</field>
         <field name="model">qc.inspection</field>
@@ -128,7 +153,6 @@
             </tree>
         </field>
     </record>
-
     <record model="ir.ui.view" id="qc_inspection_search_view">
         <field name="name">qc.inspection.search</field>
         <field name="model">qc.inspection</field>
@@ -142,83 +166,110 @@
                     <field name="test" />
                 </group>
                 <newline />
-                <filter string="Correct"
-                        name="correct"
-                        domain="[('success', '=', True)]"/>
-                <filter string="Incorrect"
-                        name="incorrect"
-                        domain="[('success', '=', False)]"/>
+                <filter
+                    string="Correct"
+                    name="correct"
+                    domain="[('success', '=', True)]"
+                />
+                <filter
+                    string="Incorrect"
+                    name="incorrect"
+                    domain="[('success', '=', False)]"
+                />
                 <newline />
                 <group expand="0" string="Group by...">
-                    <filter string="Reference"
-                            name="group_by_object_id"
-                            domain="[]"
-                            context="{'group_by': 'object_id'}" />
-                    <filter string="Test"
-                            name="group_by_test"
-                            domain="[]"
-                            context="{'group_by': 'test'}" />
-                    <filter string="Responsible"
-                            name="group_by_user"
-                            domain="[]"
-                            context="{'group_by': 'user'}" />
-                    <filter string="Product"
-                            name="group_by_product_id"
-                            domain="[]"
-                            context="{'group_by': 'product_id'}" />
-                    <filter string="State"
-                            name="group_by_state"
-                            domain="[]"
-                            context="{'group_by': 'state'}" />
-                    <filter string="Success"
-                            name="group_by_success"
-                            domain="[]"
-                            context="{'group_by': 'success'}" />
-                    <filter string="Auto-generated"
-                            name="group_by_auto_generated"
-                            domain="[]"
-                            context="{'group_by': 'auto_generated'}" />
+                    <filter
+                        string="Reference"
+                        name="group_by_object_id"
+                        domain="[]"
+                        context="{'group_by': 'object_id'}"
+                    />
+                    <filter
+                        string="Test"
+                        name="group_by_test"
+                        domain="[]"
+                        context="{'group_by': 'test'}"
+                    />
+                    <filter
+                        string="Responsible"
+                        name="group_by_user"
+                        domain="[]"
+                        context="{'group_by': 'user'}"
+                    />
+                    <filter
+                        string="Product"
+                        name="group_by_product_id"
+                        domain="[]"
+                        context="{'group_by': 'product_id'}"
+                    />
+                    <filter
+                        string="State"
+                        name="group_by_state"
+                        domain="[]"
+                        context="{'group_by': 'state'}"
+                    />
+                    <filter
+                        string="Success"
+                        name="group_by_success"
+                        domain="[]"
+                        context="{'group_by': 'success'}"
+                    />
+                    <filter
+                        string="Auto-generated"
+                        name="group_by_auto_generated"
+                        domain="[]"
+                        context="{'group_by': 'auto_generated'}"
+                    />
                 </group>
             </search>
         </field>
     </record>
-
     <record model="ir.actions.act_window" id="action_qc_inspection">
         <field name="name">Inspections</field>
         <field name="res_model">qc.inspection</field>
         <field name="view_type">form</field>
         <field name="view_mode">tree,form</field>
     </record>
-
-    <menuitem name="Inspections"
-              parent="qc_inspection_menu_parent"
-              id="qc_inspection_menu"
-              action="action_qc_inspection" />
-
+    <menuitem
+        name="Inspections"
+        parent="qc_inspection_menu_parent"
+        id="qc_inspection_menu"
+        action="action_qc_inspection"
+    />
     <record model="ir.ui.view" id="qc_inspection_line_tree_view">
         <field name="name">qc.inspection.line.tree</field>
         <field name="model">qc.inspection.line</field>
         <field name="arch" type="xml">
-            <tree string="Inspection lines" delete="false" create="false" colors="red: success==False">
+            <tree
+                string="Inspection lines"
+                delete="false"
+                create="false"
+                colors="red: success==False"
+            >
                 <field name="inspection_id" />
                 <field name="product_id" />
                 <field name="name" />
                 <field name="question_type" />
                 <field name="possible_ql_values" invisible="1" />
-                <field name="qualitative_value"
-                       attrs="{'readonly': [('question_type', '=', 'quantitative')]}" />
-                <field name="quantitative_value"
-                       attrs="{'readonly': [('question_type', '=', 'qualitative')]}" />
-                <field name="uom_id"
-                       groups="uom.group_uom"
-                       attrs="{'readonly': [('question_type', '=', 'qualitative')]}" />
-                <field name="test_uom_category" invisible="1"/>
+                <field
+                    name="qualitative_value"
+                    attrs="{'readonly': [('question_type', '=', 'quantitative')]}"
+                />
+                <field
+                    name="quantitative_value"
+                    attrs="{'readonly': [('question_type', '=', 'qualitative')]}"
+                />
+                <field
+                    name="uom_id"
+                    groups="uom.group_uom"
+                    attrs="{'readonly': [('question_type', '=', 'qualitative')]}"
+                />
+                <field name="test_uom_category" invisible="1" />
                 <field name="valid_values" />
                 <field name="success" />
             </tree>
         </field>
     </record>
-
     <record model="ir.ui.view" id="qc_inspection_line_search_view">
         <field name="name">qc.inspection.line.search</field>
         <field name="model">qc.inspection.line</field>
@@ -231,46 +282,56 @@
                     <field name="success" />
                 </group>
                 <newline />
-                <filter string="Correct"
-                        name="correct"
-                        domain="[('success', '=', True)]"/>
-                <filter string="Incorrect"
-                        name="incorrect"
-                        domain="[('success', '=', False)]"/>
+                <filter
+                    string="Correct"
+                    name="correct"
+                    domain="[('success', '=', True)]"
+                />
+                <filter
+                    string="Incorrect"
+                    name="incorrect"
+                    domain="[('success', '=', False)]"
+                />
                 <newline />
                 <group expand="0" string="Group by...">
-                    <filter string="Inspection"
-                            name="group_by_inspection_id"
-                            domain="[]"
-                            context="{'group_by': 'inspection_id'}" />
-                    <filter string="Product"
-                            name="group_by_product_id"
-                            domain="[]"
-                            context="{'group_by': 'product_id'}" />
-                    <filter string="Question"
-                            name="group_by_name"
-                            domain="[]"
-                            context="{'group_by': 'name'}" />
-                    <filter string="Success"
-                            name="group_by_success"
-                            domain="[]"
-                            context="{'group_by': 'success'}" />
+                    <filter
+                        string="Inspection"
+                        name="group_by_inspection_id"
+                        domain="[]"
+                        context="{'group_by': 'inspection_id'}"
+                    />
+                    <filter
+                        string="Product"
+                        name="group_by_product_id"
+                        domain="[]"
+                        context="{'group_by': 'product_id'}"
+                    />
+                    <filter
+                        string="Question"
+                        name="group_by_name"
+                        domain="[]"
+                        context="{'group_by': 'name'}"
+                    />
+                    <filter
+                        string="Success"
+                        name="group_by_success"
+                        domain="[]"
+                        context="{'group_by': 'success'}"
+                    />
                 </group>
             </search>
         </field>
     </record>
-
     <record model="ir.actions.act_window" id="action_qc_inspection_line">
         <field name="name">Inspection lines</field>
         <field name="res_model">qc.inspection.line</field>
         <field name="view_type">form</field>
         <field name="view_mode">tree</field>
     </record>
-
-    <menuitem name="Inspection lines"
-              parent="qc_inspection_menu_parent"
-              id="qc_inspection_lines_menu"
-              action="action_qc_inspection_line" />
-
+    <menuitem
+        name="Inspection lines"
+        parent="qc_inspection_menu_parent"
+        id="qc_inspection_lines_menu"
+        action="action_qc_inspection_line"
+    />
 </odoo>
-
diff --git a/quality_control_oca/views/qc_menus.xml b/quality_control_oca/views/qc_menus.xml
index f506122ed..042a255db 100644
--- a/quality_control_oca/views/qc_menus.xml
+++ b/quality_control_oca/views/qc_menus.xml
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8" ?>
 <!-- Copyright 2010 NaN Projectes de Programari Lliure, S.L.
     Copyright 2014 Serv. Tec. Avanzados - Pedro M. Baeza
     Copyright 2014 Oihane Crucelaegui - AvanzOSC
@@ -6,29 +6,31 @@
     Copyright 2017 Simone Rubino - Agile Business Group
     License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl). -->
 <odoo>
-
-    <menuitem name="Quality control"
-              id="qc_menu"
-              groups="group_quality_control_user"
-              web_icon="quality_control,static/description/icon.png"
-              sequence="40"
+    <menuitem
+        name="Quality control"
+        id="qc_menu"
+        groups="group_quality_control_user"
+        web_icon="quality_control,static/description/icon.png"
+        sequence="40"
+    />
+    <menuitem
+        name="Inspections"
+        parent="qc_menu"
+        id="qc_inspection_menu_parent"
+        sequence="10"
+    />
+    <menuitem
+        parent="qc_menu"
+        name="Tests"
+        id="qc_menu_test_parent"
+        groups="group_quality_control_manager"
+        sequence="20"
+    />
+    <menuitem
+        name="Configuration"
+        id="menu_qc_config"
+        groups="base.group_system"
+        parent="qc_menu"
+        sequence="100"
     />
-
-    <menuitem name="Inspections"
-              parent="qc_menu"
-              id="qc_inspection_menu_parent"
-              sequence="10"/>
-
-    <menuitem parent="qc_menu"
-              name="Tests"
-              id="qc_menu_test_parent"
-              groups="group_quality_control_manager"
-              sequence="20"/>
-
-    <menuitem name="Configuration"
-              id="menu_qc_config"
-              groups="base.group_system"
-              parent="qc_menu"
-              sequence="100"/>
-
 </odoo>
diff --git a/quality_control_oca/views/qc_test_category_view.xml b/quality_control_oca/views/qc_test_category_view.xml
index e6255b7cc..f185a8911 100644
--- a/quality_control_oca/views/qc_test_category_view.xml
+++ b/quality_control_oca/views/qc_test_category_view.xml
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8" ?>
 <!-- Copyright 2010 NaN Projectes de Programari Lliure, S.L.
     Copyright 2014 Serv. Tec. Avanzados - Pedro M. Baeza
     Copyright 2014 Oihane Crucelaegui - AvanzOSC
@@ -6,32 +6,30 @@
     Copyright 2017 Simone Rubino - Agile Business Group
     License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl). -->
 <odoo>
-
     <record model="ir.ui.view" id="qc_test_category_tree_view">
         <field name="name">qc.test.category.tree</field>
         <field name="model">qc.test.category</field>
         <field name="arch" type="xml">
             <tree string="Test categories" editable="bottom">
-                <field name="complete_name"/>
-                <field name="name"/>
-                <field name="parent_id"/>
-                <field name="active"/>
+                <field name="complete_name" />
+                <field name="name" />
+                <field name="parent_id" />
+                <field name="active" />
             </tree>
         </field>
     </record>
-
     <record model="ir.actions.act_window" id="action_qc_test_category">
         <field name="name">Test categories</field>
         <field name="res_model">qc.test.category</field>
         <field name="view_type">form</field>
         <field name="view_mode">tree,form</field>
     </record>
-
-    <menuitem name="Test categories"
-              parent="qc_menu_test_parent"
-              id="qc_test_category_menu"
-              action="action_qc_test_category"
-              groups="group_quality_control_manager"
-              sequence="10" />
-
+    <menuitem
+        name="Test categories"
+        parent="qc_menu_test_parent"
+        id="qc_test_category_menu"
+        action="action_qc_test_category"
+        groups="group_quality_control_manager"
+        sequence="10"
+    />
 </odoo>
diff --git a/quality_control_oca/views/qc_test_view.xml b/quality_control_oca/views/qc_test_view.xml
index 2e636fb7b..f8e8ff23a 100644
--- a/quality_control_oca/views/qc_test_view.xml
+++ b/quality_control_oca/views/qc_test_view.xml
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8" ?>
 <!-- Copyright 2010 NaN Projectes de Programari Lliure, S.L.
     Copyright 2014 Serv. Tec. Avanzados - Pedro M. Baeza
     Copyright 2014 Oihane Crucelaegui - AvanzOSC
@@ -6,33 +6,37 @@
     Copyright 2017 Simone Rubino - Agile Business Group
     License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl). -->
 <odoo>
-
     <record model="ir.ui.view" id="qc_test_form_view">
         <field name="name">qc.test.form</field>
         <field name="model">qc.test</field>
         <field name="arch" type="xml">
             <form string="Test">
                 <sheet>
-                    <label for="name" class="oe_edit_only"/>
+                    <label for="name" class="oe_edit_only" />
                     <h1>
-                        <field name="name" class="oe_inline"/>
+                        <field name="name" class="oe_inline" />
                     </h1>
                     <group>
                         <group>
                             <field name="type" />
-                            <field name="object_id"
-                                   attrs="{'invisible': [('type','=','generic')]}"/>
+                            <field
+                                name="object_id"
+                                attrs="{'invisible': [('type','=','generic')]}"
+                            />
                             <field name="active" />
                         </group>
                         <group>
                             <field name="category" />
                             <field name="fill_correct_values" />
-                            <field name="company_id" groups="base.group_multi_company"/>
+                            <field
+                                name="company_id"
+                                groups="base.group_multi_company"
+                            />
                         </group>
                     </group>
-                    <field name="test_lines" nolabel="1" >
+                    <field name="test_lines" nolabel="1">
                         <tree string="Questions">
-                            <field name="sequence" widget="handle"/>
+                            <field name="sequence" widget="handle" />
                             <field name="name" />
                             <field name="type" />
                             <field name="min_value" />
@@ -45,7 +49,6 @@
             </form>
         </field>
     </record>
-
     <record model="ir.ui.view" id="qc_test_tree_view">
         <field name="name">qc.test.tree</field>
         <field name="model">qc.test</field>
@@ -55,18 +58,16 @@
                 <field name="category" />
                 <field name="type" />
                 <field name="object_id" />
-                <field name="company_id" groups="base.group_multi_company"/>
+                <field name="company_id" groups="base.group_multi_company" />
             </tree>
         </field>
     </record>
-
     <record model="ir.actions.act_window" id="action_qc_test">
         <field name="name">Tests</field>
         <field name="res_model">qc.test</field>
         <field name="view_type">form</field>
         <field name="view_mode">tree,form</field>
     </record>
-
     <record model="ir.ui.view" id="qc_test_question_form_view">
         <field name="name">qc.test.question.form</field>
         <field name="model">qc.test.question</field>
@@ -80,39 +81,51 @@
                     <field name="sequence" />
                     <field name="type" />
                 </group>
-                <group name="qualitative"
-                       string="Answers"
-                       colspan="4"
-                       attrs="{'invisible': [('type', '!=', 'qualitative')]}">
-                    <field name="ql_values"
-                           nolabel="1"
-                           attrs="{'required': [('type','=','qualitative')]}">
+                <group
+                    name="qualitative"
+                    string="Answers"
+                    colspan="4"
+                    attrs="{'invisible': [('type', '!=', 'qualitative')]}"
+                >
+                    <field
+                        name="ql_values"
+                        nolabel="1"
+                        attrs="{'required': [('type','=','qualitative')]}"
+                    >
                         <tree string="Question value" editable="bottom">
                             <field name="name" />
                             <field name="ok" />
                         </tree>
                     </field>
                 </group>
-                <div name="quantitative"
-                     align="center"
-                     attrs="{'invisible': [('type', '!=', 'quantitative')]}" >
+                <div
+                    name="quantitative"
+                    align="center"
+                    attrs="{'invisible': [('type', '!=', 'quantitative')]}"
+                >
                     <h1 name="quantitative-data">
-                        <span name="quantitative-interval" >
-                            <field name="min_value"
-                                   class="oe_inline"
-                                   nolabel="1"
-                                   attrs="{'required': [('type','=', 'quantitative')]}" />
+                        <span name="quantitative-interval">
+                            <field
+                                name="min_value"
+                                class="oe_inline"
+                                nolabel="1"
+                                attrs="{'required': [('type','=', 'quantitative')]}"
+                            />
                             <span> - </span>
-                            <field name="max_value"
-                                   class="oe_inline"
-                                   nolabel="1"
-                                   attrs="{'required': [('type', '=', 'quantitative')]}" />
+                            <field
+                                name="max_value"
+                                class="oe_inline"
+                                nolabel="1"
+                                attrs="{'required': [('type', '=', 'quantitative')]}"
+                            />
                         </span>
-                        <span name="quantitative-uom" >
-                            <field name="uom_id"
-                                   class="oe_inline"
-                                   nolabel="1"
-                                   attrs="{'required': [('type', '=', 'quantitative')]}" />
+                        <span name="quantitative-uom">
+                            <field
+                                name="uom_id"
+                                class="oe_inline"
+                                nolabel="1"
+                                attrs="{'required': [('type', '=', 'quantitative')]}"
+                            />
                         </span>
                     </h1>
                 </div>
@@ -120,12 +133,12 @@
             </form>
         </field>
     </record>
-
-    <menuitem name="Tests"
-              parent="qc_menu_test_parent"
-              id="qc_test_menu"
-              action="action_qc_test"
-              groups="group_quality_control_manager"
-              sequence="20" />
-
+    <menuitem
+        name="Tests"
+        parent="qc_menu_test_parent"
+        id="qc_test_menu"
+        action="action_qc_test"
+        groups="group_quality_control_manager"
+        sequence="20"
+    />
 </odoo>
diff --git a/quality_control_oca/views/qc_trigger_view.xml b/quality_control_oca/views/qc_trigger_view.xml
index 19b604220..41f17d5d6 100644
--- a/quality_control_oca/views/qc_trigger_view.xml
+++ b/quality_control_oca/views/qc_trigger_view.xml
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8" ?>
 <!-- Copyright 2010 NaN Projectes de Programari Lliure, S.L.
     Copyright 2014 Serv. Tec. Avanzados - Pedro M. Baeza
     Copyright 2014 Oihane Crucelaegui - AvanzOSC
@@ -6,34 +6,30 @@
     Copyright 2017 Simone Rubino - Agile Business Group
     License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl). -->
 <odoo>
-
     <record model="ir.ui.view" id="qc_trigger_form_view">
         <field name="name">qc.trigger.form</field>
         <field name="model">qc.trigger</field>
         <field name="arch" type="xml">
             <form string="Quality control trigger">
-            <group>
-                <field name="name" />
-                <field name="active" />
-                <field name="partner_selectable" />
-            </group>
-            <group>
-                <field name="company_id" groups="base.group_multi_company"/>
-            </group>
+                <group>
+                    <field name="name" />
+                    <field name="active" />
+                    <field name="partner_selectable" />
+                </group>
+                <group>
+                    <field name="company_id" groups="base.group_multi_company" />
+                </group>
             </form>
         </field>
     </record>
-
     <record model="ir.ui.view" id="qc_trigger_tree_view">
         <field name="name">qc.trigger.tree</field>
         <field name="model">qc.trigger</field>
         <field name="arch" type="xml">
             <tree string="Quality control triggers" editable="bottom">
                 <field name="name" />
-                <field name="company_id" groups="base.group_multi_company"/>
+                <field name="company_id" groups="base.group_multi_company" />
             </tree>
         </field>
     </record>
-
 </odoo>
-
diff --git a/quality_control_oca/wizard/qc_test_wizard.py b/quality_control_oca/wizard/qc_test_wizard.py
index 2332e9e40..3b60b37e6 100644
--- a/quality_control_oca/wizard/qc_test_wizard.py
+++ b/quality_control_oca/wizard/qc_test_wizard.py
@@ -14,17 +14,16 @@ class QcInspectionSetTest(models.TransientModel):
     also fill in all lines of the inspection with the corresponding lines of
     the template.
     """
-    _name = 'qc.inspection.set.test'
-    _description = 'Set test for inspection'
 
-    test = fields.Many2one(comodel_name='qc.test', string='Test')
+    _name = "qc.inspection.set.test"
+    _description = "Set test for inspection"
+
+    test = fields.Many2one(comodel_name="qc.test", string="Test")
 
     @api.multi
     def action_create_test(self):
-        inspection = self.env['qc.inspection'].browse(
-            self.env.context['active_id'])
+        inspection = self.env["qc.inspection"].browse(self.env.context["active_id"])
         inspection.test = self.test
         inspection.inspection_lines.unlink()
-        inspection.inspection_lines = inspection._prepare_inspection_lines(
-            self.test)
+        inspection.inspection_lines = inspection._prepare_inspection_lines(self.test)
         return True
diff --git a/quality_control_oca/wizard/qc_test_wizard_view.xml b/quality_control_oca/wizard/qc_test_wizard_view.xml
index a88467011..52d495858 100644
--- a/quality_control_oca/wizard/qc_test_wizard_view.xml
+++ b/quality_control_oca/wizard/qc_test_wizard_view.xml
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="UTF-8"?>
+<?xml version="1.0" encoding="UTF-8" ?>
 <!-- Copyright 2010 NaN Projectes de Programari Lliure, S.L.
     Copyright 2014 Serv. Tec. Avanzados - Pedro M. Baeza
     Copyright 2014 Oihane Crucelaegui - AvanzOSC
@@ -6,7 +6,6 @@
     Copyright 2017 Simone Rubino - Agile Business Group
     License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl). -->
 <odoo>
-
     <record id="view_qc_test_set_test_form" model="ir.ui.view">
         <field name="name">qc.inspection.set.test.form</field>
         <field name="model">qc.inspection.set.test</field>
@@ -16,19 +15,18 @@
                     <field name="test" />
                 </group>
                 <footer>
-                    <button name="action_create_test"
-                            string="Accept"
-                            type="object"
-                            class="oe_highlight"/>
+                    <button
+                        name="action_create_test"
+                        string="Accept"
+                        type="object"
+                        class="oe_highlight"
+                    />
                     or
-                    <button special="cancel"
-                            class="oe_link"
-                            string="Cancel" />
+                    <button special="cancel" class="oe_link" string="Cancel" />
                 </footer>
             </form>
         </field>
     </record>
-
     <record id="action_qc_inspection_set_test" model="ir.actions.act_window">
         <field name="name">Select test</field>
         <field name="type">ir.actions.act_window</field>
@@ -37,5 +35,4 @@
         <field name="view_mode">form</field>
         <field name="target">new</field>
     </record>
-
 </odoo>