diff --git a/setup/stock_inventory_valuation_report/odoo/addons/stock_inventory_valuation_report b/setup/stock_inventory_valuation_report/odoo/addons/stock_inventory_valuation_report
new file mode 120000
index 0000000..663d8c8
--- /dev/null
+++ b/setup/stock_inventory_valuation_report/odoo/addons/stock_inventory_valuation_report
@@ -0,0 +1 @@
+../../../../stock_inventory_valuation_report
\ No newline at end of file
diff --git a/setup/stock_inventory_valuation_report/setup.py b/setup/stock_inventory_valuation_report/setup.py
new file mode 100644
index 0000000..28c57bb
--- /dev/null
+++ b/setup/stock_inventory_valuation_report/setup.py
@@ -0,0 +1,6 @@
+import setuptools
+
+setuptools.setup(
+    setup_requires=['setuptools-odoo'],
+    odoo_addon=True,
+)
diff --git a/stock_inventory_valuation_report/__manifest__.py b/stock_inventory_valuation_report/__manifest__.py
index b43830c..22e4b8c 100644
--- a/stock_inventory_valuation_report/__manifest__.py
+++ b/stock_inventory_valuation_report/__manifest__.py
@@ -2,22 +2,22 @@
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
 
 {
-    'name': 'Stock Inventory Valuation Report',
-    'summary': 'Add report button on Inventory Valuation.',
-    'version': '12.0.1.1.2',
-    'category': 'Warehouse',
-    'website': 'https://github.com/OCA/stock-logistics-reporting',
-    'author': 'Ecosoft,Odoo Community Association (OCA)',
-    'license': 'AGPL-3',
-    'depends': [
-        'stock_account',
-        'report_xlsx_helper',
+    "name": "Stock Inventory Valuation Report",
+    "summary": "Add report button on Inventory Valuation.",
+    "version": "14.0.1.0.0",
+    "category": "Warehouse",
+    "website": "https://github.com/OCA/stock-logistics-reporting",
+    "author": "Ecosoft,Odoo Community Association (OCA)",
+    "license": "AGPL-3",
+    "depends": [
+        "stock_account",
+        "report_xlsx_helper",
     ],
-    'data': [
-        'data/paper_format.xml',
-        'data/report_data.xml',
-        'reports/stock_inventory_valuation_report.xml',
-        'wizard/stock_quantity_history_view.xml',
+    "data": [
+        "data/paper_format.xml",
+        "data/report_data.xml",
+        "reports/stock_inventory_valuation_report.xml",
+        "wizard/stock_quantity_history_view.xml",
     ],
-    'installable': True,
+    "installable": True,
 }
diff --git a/stock_inventory_valuation_report/data/paper_format.xml b/stock_inventory_valuation_report/data/paper_format.xml
index 8b793eb..68f416e 100644
--- a/stock_inventory_valuation_report/data/paper_format.xml
+++ b/stock_inventory_valuation_report/data/paper_format.xml
@@ -2,7 +2,7 @@
 
     <record id="paperformat_inventory_valuation_report" model="report.paperformat">
         <field name="name">Inventory Valuation Report A4</field>
-        <field name="default" eval="True"/>
+        <field name="default" eval="True" />
         <field name="format">A4</field>
         <field name="page_height">0</field>
         <field name="page_width">0</field>
@@ -11,7 +11,7 @@
         <field name="margin_bottom">28</field>
         <field name="margin_left">7</field>
         <field name="margin_right">7</field>
-        <field name="header_line" eval="False"/>
+        <field name="header_line" eval="False" />
         <field name="header_spacing">24</field>
         <field name="dpi">90</field>
     </record>
diff --git a/stock_inventory_valuation_report/data/report_data.xml b/stock_inventory_valuation_report/data/report_data.xml
index 5300ff3..7abb53e 100644
--- a/stock_inventory_valuation_report/data/report_data.xml
+++ b/stock_inventory_valuation_report/data/report_data.xml
@@ -3,24 +3,31 @@
     <record id="action_stock_inventory_valuation_report_html" model="ir.actions.client">
         <field name="name">Inventory Valuation Report</field>
         <field name="tag">stock_inventory_valuation_report_backend</field>
-        <field name="context" eval="{'active_model': 'report.stock.inventory.valuation.report'}" />
+        <field
+            name="context"
+            eval="{'active_model': 'report.stock.inventory.valuation.report'}"
+        />
     </record>
 
-    <report string="Stock Inventory Valuation Report PDF"
-            id="action_stock_inventory_valuation_report_pdf"
-            model="report.stock.inventory.valuation.report"
-            name="stock_inventory_valuation_report.report_stock_inventory_valuation_report_pdf"
-            file="stock_inventory_valuation_report.report_stock_inventory_valuation_report_pdf"
-            report_type="qweb-pdf"
-            print_report_name="'Inventory Valuation Report - [%s]' % object.date"
-            paperformat="stock_inventory_valuation_report.paperformat_inventory_valuation_report"/>
+    <report
+        string="Stock Inventory Valuation Report PDF"
+        id="action_stock_inventory_valuation_report_pdf"
+        model="report.stock.inventory.valuation.report"
+        name="stock_inventory_valuation_report.report_stock_inventory_valuation_report_pdf"
+        file="stock_inventory_valuation_report.report_stock_inventory_valuation_report_pdf"
+        report_type="qweb-pdf"
+        print_report_name="'Inventory Valuation Report - [%s]' % object.date"
+        paperformat="stock_inventory_valuation_report.paperformat_inventory_valuation_report"
+    />
 
-    <report string="Stock Inventory Valuation Report XLSX"
-            id="action_stock_inventory_valuation_report_xlsx"
-            model="report.stock.inventory.valuation.report"
-            name="s_i_v_r.report_stock_inventory_valuation_report_xlsx"
-            file="Inventory Valuation Report"
-            report_type="xlsx"
-            attachment_use="False"/>
+    <report
+        string="Stock Inventory Valuation Report XLSX"
+        id="action_stock_inventory_valuation_report_xlsx"
+        model="report.stock.inventory.valuation.report"
+        name="s_i_v_r.report_stock_inventory_valuation_report_xlsx"
+        file="Inventory Valuation Report"
+        report_type="xlsx"
+        attachment_use="False"
+    />
 
 </odoo>
diff --git a/stock_inventory_valuation_report/reports/stock_inventory_valuation_report.py b/stock_inventory_valuation_report/reports/stock_inventory_valuation_report.py
index 315a5aa..f0c2b47 100644
--- a/stock_inventory_valuation_report/reports/stock_inventory_valuation_report.py
+++ b/stock_inventory_valuation_report/reports/stock_inventory_valuation_report.py
@@ -5,21 +5,21 @@ from odoo import api, fields, models
 
 
 class StockInventoryValuationView(models.TransientModel):
-    _name = 'stock.inventory.valuation.view'
-    _description = 'Stock Inventory Valuation View'
+    _name = "stock.inventory.valuation.view"
+    _description = "Stock Inventory Valuation View"
 
     name = fields.Char()
     reference = fields.Char()
     barcode = fields.Char()
     qty_at_date = fields.Float()
     uom_id = fields.Many2one(
-        comodel_name='uom.uom',
+        comodel_name="uom.uom",
     )
     currency_id = fields.Many2one(
-        comodel_name='res.currency',
+        comodel_name="res.currency",
     )
     cost_currency_id = fields.Many2one(
-        comodel_name='res.currency',
+        comodel_name="res.currency",
     )
     standard_price = fields.Float()
     stock_value = fields.Float()
@@ -27,21 +27,21 @@ class StockInventoryValuationView(models.TransientModel):
 
 
 class StockInventoryValuationReport(models.TransientModel):
-    _name = 'report.stock.inventory.valuation.report'
-    _description = 'Stock Inventory Valuation Report'
+    _name = "report.stock.inventory.valuation.report"
+    _description = "Stock Inventory Valuation Report"
 
     # Filters fields, used for data computation
     company_id = fields.Many2one(
-        comodel_name='res.company',
+        comodel_name="res.company",
     )
     compute_at_date = fields.Integer()
     date = fields.Datetime()
 
     # Data fields, used to browse report data
     results = fields.Many2many(
-        comodel_name='stock.inventory.valuation.view',
-        compute='_compute_results',
-        help='Use compute fields, so there is nothing store in database',
+        comodel_name="stock.inventory.valuation.view",
+        compute="_compute_results",
+        help="Use compute fields, so there is nothing store in database",
     )
 
     @api.multi
@@ -49,52 +49,61 @@ class StockInventoryValuationReport(models.TransientModel):
         self.ensure_one()
         if not self.compute_at_date:
             self.date = fields.Datetime.now()
-        products = self.env['product.product'].\
-            with_context(dict(to_date=self.date, company_owned=True,
-                              create=False, edit=False)).\
-            search([('type', '=', 'product'), ('qty_available', '!=', 0)])
-        ReportLine = self.env['stock.inventory.valuation.view']
+        products = (
+            self.env["product.product"]
+            .with_context(
+                dict(to_date=self.date, company_owned=True, create=False, edit=False)
+            )
+            .search([("type", "=", "product"), ("qty_available", "!=", 0)])
+        )
+        ReportLine = self.env["stock.inventory.valuation.view"]
         for product in products:
             standard_price = product.standard_price
             if self.date:
                 standard_price = product.get_history_price(
-                    self.env.user.company_id.id,
-                    date=self.date)
+                    self.env.user.company_id.id, date=self.date
+                )
             line = {
-                'name': product.name,
-                'reference': product.default_code,
-                'barcode': product.barcode,
-                'qty_at_date': product.qty_at_date,
-                'uom_id': product.uom_id,
-                'currency_id': product.currency_id,
-                'cost_currency_id': product.cost_currency_id,
-                'standard_price': standard_price,
-                'stock_value': product.qty_at_date * standard_price,
-                'cost_method': product.cost_method,
+                "name": product.name,
+                "reference": product.default_code,
+                "barcode": product.barcode,
+                "qty_at_date": product.qty_at_date,
+                "uom_id": product.uom_id,
+                "currency_id": product.currency_id,
+                "cost_currency_id": product.cost_currency_id,
+                "standard_price": standard_price,
+                "stock_value": product.qty_at_date * standard_price,
+                "cost_method": product.cost_method,
             }
             if product.qty_at_date != 0:
                 self.results += ReportLine.new(line)
 
     @api.multi
-    def print_report(self, report_type='qweb'):
+    def print_report(self, report_type="qweb"):
         self.ensure_one()
-        action = report_type == 'xlsx' and self.env.ref(
-            'stock_inventory_valuation_report.'
-            'action_stock_inventory_valuation_report_xlsx') or \
-            self.env.ref('stock_inventory_valuation_report.'
-                         'action_stock_inventory_valuation_report_pdf')
+        action = (
+            report_type == "xlsx"
+            and self.env.ref(
+                "stock_inventory_valuation_report."
+                "action_stock_inventory_valuation_report_xlsx"
+            )
+            or self.env.ref(
+                "stock_inventory_valuation_report."
+                "action_stock_inventory_valuation_report_pdf"
+            )
+        )
         return action.report_action(self, config=False)
 
     def _get_html(self):
         result = {}
         rcontext = {}
-        report = self.browse(self._context.get('active_id'))
+        report = self.browse(self._context.get("active_id"))
         if report:
-            rcontext['o'] = report
-            result['html'] = self.env.ref(
-                'stock_inventory_valuation_report.'
-                'report_stock_inventory_valuation_report_html').render(
-                    rcontext)
+            rcontext["o"] = report
+            result["html"] = self.env.ref(
+                "stock_inventory_valuation_report."
+                "report_stock_inventory_valuation_report_html"
+            ).render(rcontext)
         return result
 
     @api.model
diff --git a/stock_inventory_valuation_report/reports/stock_inventory_valuation_report.xml b/stock_inventory_valuation_report/reports/stock_inventory_valuation_report.xml
index c927aba..6b46cd4 100644
--- a/stock_inventory_valuation_report/reports/stock_inventory_valuation_report.xml
+++ b/stock_inventory_valuation_report/reports/stock_inventory_valuation_report.xml
@@ -1,24 +1,39 @@
 <odoo>
 
-    <template id="assets_backend" name="stock_inventory_valuation_report assets" inherit_id="web.assets_backend">
+    <template
+        id="assets_backend"
+        name="stock_inventory_valuation_report assets"
+        inherit_id="web.assets_backend"
+    >
         <xpath expr="." position="inside">
-            <link href="/stock_inventory_valuation_report/static/src/css/report.css" rel="stylesheet"/>
-            <script type="text/javascript" src="/stock_inventory_valuation_report/static/src/js/stock_inventory_valuation_report_backend.js"/>
+            <link
+                href="/stock_inventory_valuation_report/static/src/css/report.css"
+                rel="stylesheet"
+            />
+            <script
+                type="text/javascript"
+                src="/stock_inventory_valuation_report/static/src/js/stock_inventory_valuation_report_backend.js"
+            />
         </xpath>
     </template>
 
     <template id="stock_inventory_valuation_report.internal_layout">
         <div class="article">
-            <link href="/stock_inventory_valuation_report/static/src/css/report.css" rel="stylesheet"/>
-            <t t-raw="0"/>
+            <link
+                href="/stock_inventory_valuation_report/static/src/css/report.css"
+                rel="stylesheet"
+            />
+            <t t-raw="0" />
         </div>
         <div class="footer">
             <div class="row">
                 <div class="col-6 custom_footer">
-                    <span t-esc="context_timestamp(datetime.datetime.now()).strftime('%Y-%m-%d')"/>
+                    <span
+                        t-esc="context_timestamp(datetime.datetime.now()).strftime('%Y-%m-%d')"
+                    />
                 </div>
                 <div class="col-6 text-right custom_footer">
-                    <span class="page"/>/<span class="topage"/>
+                    <span class="page" />/<span class="topage" />
                 </div>
             </div>
         </div>
@@ -26,55 +41,77 @@
 
     <template id="report_buttons">
         <div class="button_row">
-            <button class="o_stock_inventory_valuation_report_print btn btn-sm oe_button"><span class="fa fa-print"/>Print</button>
-            <button class="o_stock_inventory_valuation_report_export btn btn-sm oe_button"><span class="fa fa-download"/>Export</button>
+            <button
+                class="o_stock_inventory_valuation_report_print btn btn-sm oe_button"
+            ><span class="fa fa-print" />Print</button>
+            <button
+                class="o_stock_inventory_valuation_report_export btn btn-sm oe_button"
+            ><span class="fa fa-download" />Export</button>
         </div>
     </template>
 
     <template id="report_stock_inventory_valuation_report_html">
         <div class="o_stock_inventory_valuation_report_page">
-            <t t-call="stock_inventory_valuation_report.report_buttons"/>
-            <t t-call="stock_inventory_valuation_report.report_stock_inventory_valuation_report_base"/>
+            <t t-call="stock_inventory_valuation_report.report_buttons" />
+            <t
+                t-call="stock_inventory_valuation_report.report_stock_inventory_valuation_report_base"
+            />
         </div>
     </template>
 
-    <template id="stock_inventory_valuation_report.report_stock_inventory_valuation_report_pdf">
+    <template
+        id="stock_inventory_valuation_report.report_stock_inventory_valuation_report_pdf"
+    >
         <t t-call="web.html_container">
             <t t-foreach="docs" t-as="o">
                 <t t-call="stock_inventory_valuation_report.internal_layout">
-                    <t t-call="stock_inventory_valuation_report.report_stock_inventory_valuation_report_base"/>
+                    <t
+                        t-call="stock_inventory_valuation_report.report_stock_inventory_valuation_report_base"
+                    />
                 </t>
             </t>
         </t>
     </template>
 
-    <template id="stock_inventory_valuation_report.report_stock_inventory_valuation_report_base">
+    <template
+        id="stock_inventory_valuation_report.report_stock_inventory_valuation_report_base"
+    >
         <div class="page">
             <div class="row">
                 <t t-set="title">Inventory Valuation Report</t>
-                <h4 class="mt0" t-esc="title" style="text-align: center;"/>
+                <h4 class="mt0" t-esc="title" style="text-align: center;" />
             </div>
             <!-- Display filters -->
-            <t t-call="stock_inventory_valuation_report.report_stock_inventory_valuation_report_filters"/>
+            <t
+                t-call="stock_inventory_valuation_report.report_stock_inventory_valuation_report_filters"
+            />
             <!-- Display stock card table -->
             <div class="act_as_table data_table mt4" style="width: 100%;">
                 <!-- Display header line-->
-                <t t-call="stock_inventory_valuation_report.report_stock_inventory_valuation_lines_header"/>
+                <t
+                    t-call="stock_inventory_valuation_report.report_stock_inventory_valuation_lines_header"
+                />
                 <!-- Display each lines -->
-                <t t-set="n" t-value="1"/>
-                <t t-set="total" t-value="0.00"/>
+                <t t-set="n" t-value="1" />
+                <t t-set="total" t-value="0.00" />
                 <t t-foreach="o.results" t-as="line">
-                    <t t-call="stock_inventory_valuation_report.report_stock_inventory_valuation_lines"/>
-                    <t t-set="n" t-value="n+1"/>
-                    <t t-set="total" t-value="total+line.stock_value"/>
+                    <t
+                        t-call="stock_inventory_valuation_report.report_stock_inventory_valuation_lines"
+                    />
+                    <t t-set="n" t-value="n+1" />
+                    <t t-set="total" t-value="total+line.stock_value" />
                 </t>
             </div>
             <!-- Display total lines -->
-            <t t-call="stock_inventory_valuation_report.report_stock_inventory_valuation_total_lines"/>
+            <t
+                t-call="stock_inventory_valuation_report.report_stock_inventory_valuation_total_lines"
+            />
         </div>
     </template>
 
-    <template id="stock_inventory_valuation_report.report_stock_inventory_valuation_report_filters">
+    <template
+        id="stock_inventory_valuation_report.report_stock_inventory_valuation_report_filters"
+    >
         <div class="act_as_table data_table" style="width: 100%;">
             <div class="act_as_row labels">
                 <div class="act_as_cell">Date</div>
@@ -83,19 +120,21 @@
             </div>
             <div class="act_as_row">
                 <div class="act_as_cell">
-                    <span t-esc="o.date.strftime('%Y-%m-%d')"/>
+                    <span t-esc="o.date.strftime('%Y-%m-%d')" />
                 </div>
                 <div class="act_as_cell">
-                    <span t-field='o.company_id.name'/>
+                    <span t-field='o.company_id.name' />
                 </div>
                 <div class="act_as_cell">
-                    <span t-field='o.company_id.vat'/>
+                    <span t-field='o.company_id.vat' />
                 </div>
             </div>
         </div>
     </template>
 
-    <template id="stock_inventory_valuation_report.report_stock_inventory_valuation_lines_header">
+    <template
+        id="stock_inventory_valuation_report.report_stock_inventory_valuation_lines_header"
+    >
         <div class="act_as_thead">
             <div class="act_as_row labels">
                 <div class="act_as_cell">#</div>
@@ -109,36 +148,49 @@
         </div>
     </template>
 
-    <template id="stock_inventory_valuation_report.report_stock_inventory_valuation_lines">
+    <template
+        id="stock_inventory_valuation_report.report_stock_inventory_valuation_lines"
+    >
         <div class="act_as_row lines">
             <div class="act_as_cell left">
-                <t t-esc="n"/>
+                <t t-esc="n" />
             </div>
             <div class="act_as_cell left">
-                <t t-esc="line.reference"/>
+                <t t-esc="line.reference" />
             </div>
             <div class="act_as_cell left">
-                <t t-esc="line.name"/>
+                <t t-esc="line.name" />
             </div>
             <div class="act_as_cell left">
-                <t t-esc="line.barcode"/>
+                <t t-esc="line.barcode" />
             </div>
             <div class="act_as_cell right">
-                <t t-esc="'{0:,.3f}'.format(line.qty_at_date)"/>
+                <t t-esc="'{0:,.3f}'.format(line.qty_at_date)" />
             </div>
             <div class="act_as_cell amount">
-                <t t-esc="line.standard_price" t-options="{'widget': 'monetary', 'display_currency': res_company.currency_id}"/>
+                <t
+                    t-esc="line.standard_price"
+                    t-options="{'widget': 'monetary', 'display_currency': res_company.currency_id}"
+                />
             </div>
             <div class="act_as_cell amount">
-                <t t-esc="line.stock_value" t-options="{'widget': 'monetary', 'display_currency': res_company.currency_id}"/>
+                <t
+                    t-esc="line.stock_value"
+                    t-options="{'widget': 'monetary', 'display_currency': res_company.currency_id}"
+                />
             </div>
         </div>
     </template>
 
-    <template id="stock_inventory_valuation_report.report_stock_inventory_valuation_total_lines">
+    <template
+        id="stock_inventory_valuation_report.report_stock_inventory_valuation_total_lines"
+    >
         <div class="act_as_table data_table mt0" style="width: 100%;">
             <div class="total_row">
-                <t t-esc="total" t-options="{'widget': 'monetary', 'display_currency': res_company.currency_id}"/>
+                <t
+                    t-esc="total"
+                    t-options="{'widget': 'monetary', 'display_currency': res_company.currency_id}"
+                />
             </div>
         </div>
     </template>
diff --git a/stock_inventory_valuation_report/reports/stock_inventory_valuation_report_xlsx.py b/stock_inventory_valuation_report/reports/stock_inventory_valuation_report_xlsx.py
index 12e51fd..7801038 100644
--- a/stock_inventory_valuation_report/reports/stock_inventory_valuation_report_xlsx.py
+++ b/stock_inventory_valuation_report/reports/stock_inventory_valuation_report_xlsx.py
@@ -2,93 +2,95 @@
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
 
 import logging
+
 from odoo import models
 
 _logger = logging.getLogger(__name__)
 
 
 class ReportStockInventoryValuationReportXlsx(models.TransientModel):
-    _name = 'report.s_i_v_r.report_stock_inventory_valuation_report_xlsx'
-    _inherit = 'report.report_xlsx.abstract'
+    _name = "report.s_i_v_r.report_stock_inventory_valuation_report_xlsx"
+    _inherit = "report.report_xlsx.abstract"
 
     def _get_ws_params(self, wb, data, objects):
 
         stock_inventory_valuation_template = {
-            '1_number': {
-                'header': {
-                    'value': '#',
+            "1_number": {
+                "header": {
+                    "value": "#",
                 },
-                'data': {
-                    'value': self._render('n'),
+                "data": {
+                    "value": self._render("n"),
                 },
-                'width': 12,
+                "width": 12,
             },
-            '2_reference': {
-                'header': {
-                    'value': 'Reference',
+            "2_reference": {
+                "header": {
+                    "value": "Reference",
                 },
-                'data': {
-                    'value': self._render('reference'),
+                "data": {
+                    "value": self._render("reference"),
                 },
-                'width': 15,
+                "width": 15,
             },
-            '3_name': {
-                'header': {
-                    'value': 'Name',
+            "3_name": {
+                "header": {
+                    "value": "Name",
                 },
-                'data': {
-                    'value': self._render('name'),
+                "data": {
+                    "value": self._render("name"),
                 },
-                'width': 36,
+                "width": 36,
             },
-            '4_barcode': {
-                'header': {
-                    'value': 'Barcode',
+            "4_barcode": {
+                "header": {
+                    "value": "Barcode",
                 },
-                'data': {
-                    'value': self._render('barcode'),
+                "data": {
+                    "value": self._render("barcode"),
                 },
-                'width': 15,
+                "width": 15,
             },
-            '5_qty_at_date': {
-                'header': {
-                    'value': 'Quantity',
+            "5_qty_at_date": {
+                "header": {
+                    "value": "Quantity",
                 },
-                'data': {
-                    'value': self._render('qty_at_date'),
-                    'format': self.format_tcell_amount_conditional_right,
+                "data": {
+                    "value": self._render("qty_at_date"),
+                    "format": self.format_tcell_amount_conditional_right,
                 },
-                'width': 18,
+                "width": 18,
             },
-            '6_standard_price': {
-                'header': {
-                    'value': 'Cost',
+            "6_standard_price": {
+                "header": {
+                    "value": "Cost",
                 },
-                'data': {
-                    'value': self._render('standard_price'),
-                    'format': self.format_tcell_amount_conditional_right,
+                "data": {
+                    "value": self._render("standard_price"),
+                    "format": self.format_tcell_amount_conditional_right,
                 },
-                'width': 18,
+                "width": 18,
             },
-            '7_stock_value': {
-                'header': {
-                    'value': 'Value',
+            "7_stock_value": {
+                "header": {
+                    "value": "Value",
                 },
-                'data': {
-                    'value': self._render('stock_value'),
-                    'format': self.format_tcell_amount_conditional_right,
+                "data": {
+                    "value": self._render("stock_value"),
+                    "format": self.format_tcell_amount_conditional_right,
                 },
-                'width': 18,
+                "width": 18,
             },
         }
 
         ws_params = {
-            'ws_name': 'Inventory Valuation Report',
-            'generate_ws_method': '_inventory_valuation_report',
-            'title': 'Inventory Valuation Report',
-            'wanted_list': [k for k in sorted(
-                stock_inventory_valuation_template.keys())],
-            'col_specs': stock_inventory_valuation_template,
+            "ws_name": "Inventory Valuation Report",
+            "generate_ws_method": "_inventory_valuation_report",
+            "title": "Inventory Valuation Report",
+            "wanted_list": [
+                k for k in sorted(stock_inventory_valuation_template.keys())
+            ],
+            "col_specs": stock_inventory_valuation_template,
         }
         return [ws_params]
 
@@ -96,8 +98,8 @@ class ReportStockInventoryValuationReportXlsx(models.TransientModel):
 
         ws.set_portrait()
         ws.fit_to_pages(1, 0)
-        ws.set_header(self.xls_headers['standard'])
-        ws.set_footer(self.xls_footers['standard'])
+        ws.set_header(self.xls_headers["standard"])
+        ws.set_footer(self.xls_footers["standard"])
 
         self._set_column_width(ws, ws_params)
 
@@ -106,35 +108,47 @@ class ReportStockInventoryValuationReportXlsx(models.TransientModel):
 
         for o in objects:
             ws.write_row(
-                row_pos, 0, ['Date', 'Partner', 'Tax ID'],
-                self.format_theader_blue_center)
+                row_pos,
+                0,
+                ["Date", "Partner", "Tax ID"],
+                self.format_theader_blue_center,
+            )
+            ws.write_row(row_pos + 1, 0, [o.date or ""], self.format_tcell_date_center)
             ws.write_row(
-                row_pos+1, 0, [o.date or ''], self.format_tcell_date_center)
-            ws.write_row(
-                row_pos+1, 1,
-                [o.company_id.name or '', o.company_id.vat or ''],
-                self.format_tcell_center)
+                row_pos + 1,
+                1,
+                [o.company_id.name or "", o.company_id.vat or ""],
+                self.format_tcell_center,
+            )
 
             row_pos += 3
             row_pos = self._write_line(
-                ws, row_pos, ws_params, col_specs_section='header',
-                default_format=self.format_theader_blue_center)
+                ws,
+                row_pos,
+                ws_params,
+                col_specs_section="header",
+                default_format=self.format_theader_blue_center,
+            )
             ws.freeze_panes(row_pos, 0)
 
             total = 0.00
             for line in o.results:
                 row_pos = self._write_line(
-                    ws, row_pos, ws_params, col_specs_section='data',
+                    ws,
+                    row_pos,
+                    ws_params,
+                    col_specs_section="data",
                     render_space={
-                        'n': row_pos-5,
-                        'name': line.name or '',
-                        'reference': line.reference or '',
-                        'barcode': line.barcode or '',
-                        'qty_at_date': line.qty_at_date or 0.000,
-                        'standard_price': line.standard_price or 0.00,
-                        'stock_value': line.stock_value or 0.00,
+                        "n": row_pos - 5,
+                        "name": line.name or "",
+                        "reference": line.reference or "",
+                        "barcode": line.barcode or "",
+                        "qty_at_date": line.qty_at_date or 0.000,
+                        "standard_price": line.standard_price or 0.00,
+                        "stock_value": line.stock_value or 0.00,
                     },
-                    default_format=self.format_tcell_left)
+                    default_format=self.format_tcell_left,
+                )
                 total += line.stock_value
 
             ws.write(row_pos, 6, total, self.format_theader_blue_amount_right)
diff --git a/stock_inventory_valuation_report/static/src/css/report.css b/stock_inventory_valuation_report/static/src/css/report.css
index 286087b..8b2b949 100644
--- a/stock_inventory_valuation_report/static/src/css/report.css
+++ b/stock_inventory_valuation_report/static/src/css/report.css
@@ -2,7 +2,7 @@
     display: table !important;
     background-color: white;
 }
-.act_as_row  {
+.act_as_row {
     display: table-row !important;
     page-break-inside: avoid;
 }
@@ -17,9 +17,11 @@
     width: 100% !important;
 }
 .act_as_row.labels {
-    background-color: #F0F0F0 !important;
+    background-color: #f0f0f0 !important;
 }
-.data_table, .total_row, .act_as_row {
+.data_table,
+.total_row,
+.act_as_row {
     border-left: 0px;
     border-right: 0px;
     text-align: center;
@@ -30,7 +32,7 @@
     padding-bottom: 2px;
     border-collapse: collapse;
 }
-.data_table .act_as_cell{
+.data_table .act_as_cell {
     border: 1px solid lightGrey;
     text-align: center;
 }
@@ -41,7 +43,7 @@
     font-weight: bold;
 }
 .data_table .total_row {
-    background-color:#F0F0F0 !important;
+    background-color: #f0f0f0 !important;
     border-left: 1px solid lightGrey;
     border-right: 1px solid lightGrey;
     border-bottom: 1px solid lightGrey;
diff --git a/stock_inventory_valuation_report/static/src/js/stock_inventory_valuation_report_backend.js b/stock_inventory_valuation_report/static/src/js/stock_inventory_valuation_report_backend.js
index 9830189..87edaab 100644
--- a/stock_inventory_valuation_report/static/src/js/stock_inventory_valuation_report_backend.js
+++ b/stock_inventory_valuation_report/static/src/js/stock_inventory_valuation_report_backend.js
@@ -1,112 +1,113 @@
-odoo.define('stock_inventory_valuation_report.stock_inventory_valuation_report_backend', function (require) {
-    'use strict';
+odoo.define(
+    "stock_inventory_valuation_report.stock_inventory_valuation_report_backend",
+    function (require) {
+        "use strict";
 
-    var core = require('web.core');
-    var Widget = require('web.Widget');
-    var ControlPanelMixin = require('web.ControlPanelMixin');
-    var ReportWidget = require('web.Widget');
+        var core = require("web.core");
+        var Widget = require("web.Widget");
+        var ControlPanelMixin = require("web.ControlPanelMixin");
+        var ReportWidget = require("web.Widget");
 
-
-    var report_backend = Widget.extend(ControlPanelMixin, {
-        // Stores all the parameters of the action.
-        events: {
-            'click .o_stock_inventory_valuation_report_print': 'print',
-            'click .o_stock_inventory_valuation_report_export': 'export',
-        },
-        init: function (parent, action) {
-            this.actionManager = parent;
-            this.given_context = {};
-            this.odoo_context = action.context;
-            this.controller_url = action.context.url;
-            if (action.context.context) {
-                this.given_context = action.context.context;
-            }
-            this.given_context.active_id = action.context.active_id ||
-                action.params.active_id;
-            this.given_context.model = action.context.active_model || false;
-            this.given_context.ttype = action.context.ttype || false;
-            return this._super.apply(this, arguments);
-        },
-        willStart: function () {
-            return $.when(this.get_html());
-        },
-        set_html: function () {
-            var self = this;
-            var def = $.when();
-            if (!this.report_widget) {
-                this.report_widget = new ReportWidget(this, this.given_context);
-                def = this.report_widget.appendTo(this.$el);
-            }
-            def.then(function () {
-                self.report_widget.$el.html(self.html);
-            });
-        },
-        start: function () {
-            this.set_html();
-            return this._super();
-        },
-        // Fetches the html and is previous report.context if any,
-        // else create it
-        get_html: function () {
-            var self = this;
-            var defs = [];
-            return this._rpc({
-                model: this.given_context.model,
-                method: 'get_html',
-                args: [self.given_context],
-                context: self.odoo_context,
-            })
-                .then(function (result) {
+        var report_backend = Widget.extend(ControlPanelMixin, {
+            // Stores all the parameters of the action.
+            events: {
+                "click .o_stock_inventory_valuation_report_print": "print",
+                "click .o_stock_inventory_valuation_report_export": "export",
+            },
+            init: function (parent, action) {
+                this.actionManager = parent;
+                this.given_context = {};
+                this.odoo_context = action.context;
+                this.controller_url = action.context.url;
+                if (action.context.context) {
+                    this.given_context = action.context.context;
+                }
+                this.given_context.active_id =
+                    action.context.active_id || action.params.active_id;
+                this.given_context.model = action.context.active_model || false;
+                this.given_context.ttype = action.context.ttype || false;
+                return this._super.apply(this, arguments);
+            },
+            willStart: function () {
+                return $.when(this.get_html());
+            },
+            set_html: function () {
+                var self = this;
+                var def = $.when();
+                if (!this.report_widget) {
+                    this.report_widget = new ReportWidget(this, this.given_context);
+                    def = this.report_widget.appendTo(this.$el);
+                }
+                def.then(function () {
+                    self.report_widget.$el.html(self.html);
+                });
+            },
+            start: function () {
+                this.set_html();
+                return this._super();
+            },
+            // Fetches the html and is previous report.context if any,
+            // else create it
+            get_html: function () {
+                var self = this;
+                var defs = [];
+                return this._rpc({
+                    model: this.given_context.model,
+                    method: "get_html",
+                    args: [self.given_context],
+                    context: self.odoo_context,
+                }).then(function (result) {
                     self.html = result.html;
                     defs.push(self.update_cp());
                     return $.when.apply($, defs);
                 });
-        },
-        // Updates the control panel and render the elements that have yet
-        // to be rendered
-        update_cp: function () {
-            if (this.$buttons) {
-                var status = {
-                    breadcrumbs: this.actionManager.get_breadcrumbs(),
-                    cp_content: {$buttons: this.$buttons},
-                };
-                return this.update_control_panel(status);
-            }
-        },
-        do_show: function () {
-            this._super();
-            this.update_cp();
-        },
-        print: function () {
-            var self = this;
-            this._rpc({
-                model: this.given_context.model,
-                method: 'print_report',
-                args: [this.given_context.active_id, 'qweb-pdf'],
-                context: self.odoo_context,
-            }).then(function (result) {
-                self.do_action(result);
-            });
-        },
-        export: function () {
-            var self = this;
-            this._rpc({
-                model: this.given_context.model,
-                method: 'print_report',
-                args: [this.given_context.active_id, 'xlsx'],
-                context: self.odoo_context,
-            }).then(function (result) {
-                self.do_action(result);
-            });
-        },
-        canBeRemoved: function () {
-            return $.when();
-        },
-    });
+            },
+            // Updates the control panel and render the elements that have yet
+            // to be rendered
+            update_cp: function () {
+                if (this.$buttons) {
+                    var status = {
+                        breadcrumbs: this.actionManager.get_breadcrumbs(),
+                        cp_content: {$buttons: this.$buttons},
+                    };
+                    return this.update_control_panel(status);
+                }
+            },
+            do_show: function () {
+                this._super();
+                this.update_cp();
+            },
+            print: function () {
+                var self = this;
+                this._rpc({
+                    model: this.given_context.model,
+                    method: "print_report",
+                    args: [this.given_context.active_id, "qweb-pdf"],
+                    context: self.odoo_context,
+                }).then(function (result) {
+                    self.do_action(result);
+                });
+            },
+            export: function () {
+                var self = this;
+                this._rpc({
+                    model: this.given_context.model,
+                    method: "print_report",
+                    args: [this.given_context.active_id, "xlsx"],
+                    context: self.odoo_context,
+                }).then(function (result) {
+                    self.do_action(result);
+                });
+            },
+            canBeRemoved: function () {
+                return $.when();
+            },
+        });
 
-    core.action_registry.add(
-        "stock_inventory_valuation_report_backend",
-        report_backend
-    );
-    return report_backend;
-});
+        core.action_registry.add(
+            "stock_inventory_valuation_report_backend",
+            report_backend
+        );
+        return report_backend;
+    }
+);
diff --git a/stock_inventory_valuation_report/tests/test_stock_inventory_valuation_report.py b/stock_inventory_valuation_report/tests/test_stock_inventory_valuation_report.py
index ffbd2e2..dd01976 100644
--- a/stock_inventory_valuation_report/tests/test_stock_inventory_valuation_report.py
+++ b/stock_inventory_valuation_report/tests/test_stock_inventory_valuation_report.py
@@ -1,8 +1,8 @@
 # Copyright 2019 Ecosoft Co., Ltd. (http://ecosoft.co.th)
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
 
-import logging
 import datetime
+import logging
 
 from dateutil.relativedelta import relativedelta
 
@@ -13,7 +13,6 @@ _logger = logging.getLogger(__name__)
 
 
 class TestStockInventoryValuation(common.TransactionCase):
-
     def setUp(cls):
         super(TestStockInventoryValuation, cls).setUp()
 
@@ -31,77 +30,91 @@ class TestStockInventoryValuation(common.TransactionCase):
         cls.report._compute_results()
 
     def test_html(self):
-        test_reports.try_report(self.env.cr, self.env.uid,
-                                self.qweb_report_name,
-                                [self.report.id],
-                                report_type='qweb-html')
+        test_reports.try_report(
+            self.env.cr,
+            self.env.uid,
+            self.qweb_report_name,
+            [self.report.id],
+            report_type="qweb-html",
+        )
 
     def test_qweb(self):
-        test_reports.try_report(self.env.cr, self.env.uid,
-                                self.qweb_report_name,
-                                [self.report.id],
-                                report_type='qweb-pdf')
+        test_reports.try_report(
+            self.env.cr,
+            self.env.uid,
+            self.qweb_report_name,
+            [self.report.id],
+            report_type="qweb-pdf",
+        )
 
     def test_xlsx(self):
-        test_reports.try_report(self.env.cr, self.env.uid,
-                                self.xlsx_report_name,
-                                [self.report.id],
-                                report_type='xlsx')
+        test_reports.try_report(
+            self.env.cr,
+            self.env.uid,
+            self.xlsx_report_name,
+            [self.report.id],
+            report_type="xlsx",
+        )
 
     def test_print(self):
-        self.report.print_report('qweb')
-        self.report.print_report('xlsx')
+        self.report.print_report("qweb")
+        self.report.print_report("xlsx")
 
     def _getReportModel(self):
-        return self.env['report.stock.inventory.valuation.report']
+        return self.env["report.stock.inventory.valuation.report"]
 
     def _getQwebReportName(self):
-        return 'stock_inventory_valuation_report.'\
-               'report_stock_inventory_valuation_report_pdf'
+        return (
+            "stock_inventory_valuation_report."
+            "report_stock_inventory_valuation_report_pdf"
+        )
 
     def _getXlsxReportName(self):
-        return 's_i_v_r.report_stock_inventory_valuation_report_xlsx'
+        return "s_i_v_r.report_stock_inventory_valuation_report_xlsx"
 
     def _getXlsxReportActionName(self):
-        return 'stock_inventory_valuation_report.'\
-               'action_stock_inventory_valuation_report_xlsx'
+        return (
+            "stock_inventory_valuation_report."
+            "action_stock_inventory_valuation_report_xlsx"
+        )
 
     def _getReportTitle(self):
-        return 'Inventory Valuation Report'
+        return "Inventory Valuation Report"
 
     def _getBaseFilters(self):
         return {
-            'company_id': self.env.user.company_id.id,
-            'compute_at_date': 0,
-            'date': datetime.datetime.now(),
-            }
+            "company_id": self.env.user.company_id.id,
+            "compute_at_date": 0,
+            "date": datetime.datetime.now(),
+        }
 
 
 class TestStockInventoryValuationReport(common.TransactionCase):
-
     def setUp(self):
         super(TestStockInventoryValuationReport, self).setUp()
-        self.company_id = self.env.ref('base.main_company')
+        self.company_id = self.env.ref("base.main_company")
         self.compute_at_date = 0
         self.date = datetime.datetime.now()
 
     def test_get_report_html(self):
-        report = self.env['report.stock.inventory.valuation.report'].create({
-            'company_id': self.company_id.id,
-            'compute_at_date': self.compute_at_date,
-            'date': self.date,
-            })
+        report = self.env["report.stock.inventory.valuation.report"].create(
+            {
+                "company_id": self.company_id.id,
+                "compute_at_date": self.compute_at_date,
+                "date": self.date,
+            }
+        )
         report._compute_results()
-        report.get_html(given_context={
-            'active_id': report.id
-            })
+        report.get_html(given_context={"active_id": report.id})
 
     def test_wizard(self):
-        wizard = self.env['stock.quantity.history'].create({
-            'compute_at_date': 0,
-            'date': datetime.datetime.now(),
-            })
-        wizard._export('qweb-pdf')
+        wizard = self.env["stock.quantity.history"].create(
+            {
+                "compute_at_date": 0,
+                "date": datetime.datetime.now(),
+            }
+        )
+        wizard._export("qweb-pdf")
         wizard.button_export_html()
         wizard.button_export_pdf()
         wizard.button_export_xlsx()
@@ -111,84 +124,108 @@ class TestStockInventoryValuationReport(common.TransactionCase):
         Check that report shows the correct product quantity
         when specifying a date in the past.
         """
-        product = self.env['product.product'].create({
-            'name': 'test valuation report date',
-            'type': 'product',
-            'categ_id': self.env.ref('product.product_category_all').id,
-        })
-        stock_location_id = self.ref('stock.stock_location_stock')
-        partner_id = self.ref('base.res_partner_4')
+        product = self.env["product.product"].create(
+            {
+                "name": "test valuation report date",
+                "type": "product",
+                "categ_id": self.env.ref("product.product_category_all").id,
+            }
+        )
+        stock_location_id = self.ref("stock.stock_location_stock")
+        partner_id = self.ref("base.res_partner_4")
         product_qty = 100
         date_with_stock = datetime.datetime.now() + relativedelta(days=-1)
 
         # Receive the product
-        receipt = self.env['stock.picking'].create({
-            'location_id': self.ref('stock.stock_location_suppliers'),
-            'location_dest_id': stock_location_id,
-            'partner_id': partner_id,
-            'picking_type_id': self.ref('stock.picking_type_in'),
-            'move_lines': [(0, 0, {
-                'name': 'Receive product',
-                'product_id': product.id,
-                'product_uom': product.uom_id.id,
-                'product_uom_qty': product_qty,
-                'quantity_done': product_qty,
-            })]
-        })
+        receipt = self.env["stock.picking"].create(
+            {
+                "location_id": self.ref("stock.stock_location_suppliers"),
+                "location_dest_id": stock_location_id,
+                "partner_id": partner_id,
+                "picking_type_id": self.ref("stock.picking_type_in"),
+                "move_lines": [
+                    (
+                        0,
+                        0,
+                        {
+                            "name": "Receive product",
+                            "product_id": product.id,
+                            "product_uom": product.uom_id.id,
+                            "product_uom_qty": product_qty,
+                            "quantity_done": product_qty,
+                        },
+                    )
+                ],
+            }
+        )
         receipt.action_confirm()
         receipt.action_done()
         receipt.move_lines.date = date_with_stock
         self.assertEqual(
-            product.with_context(to_date=date_with_stock).qty_available,
-            product_qty)
+            product.with_context(to_date=date_with_stock).qty_available, product_qty
+        )
         self.assertEqual(product.qty_available, product_qty)
 
         # Report should have a line with the product and its quantity
-        report = self.env['report.stock.inventory.valuation.report'].create({
-            'company_id': self.company_id.id,
-            'compute_at_date': 0,
-            })
+        report = self.env["report.stock.inventory.valuation.report"].create(
+            {
+                "company_id": self.company_id.id,
+                "compute_at_date": 0,
+            }
+        )
         product_row = report.results.filtered(lambda r: r.name == product.name)
         self.assertEqual(len(product_row), 1)
         self.assertEqual(product_row.qty_at_date, product_qty)
 
         # Delivery the product
-        delivery = self.env['stock.picking'].create({
-            'location_id':  stock_location_id,
-            'location_dest_id': self.ref('stock.stock_location_customers'),
-            'partner_id': partner_id,
-            'picking_type_id': self.ref('stock.picking_type_out'),
-            'move_lines': [(0, 0, {
-                'name': 'Deliver product',
-                'product_id': product.id,
-                'product_uom': product.uom_id.id,
-                'product_uom_qty': product_qty,
-                'quantity_done': product_qty,
-            })]
-        })
+        delivery = self.env["stock.picking"].create(
+            {
+                "location_id": stock_location_id,
+                "location_dest_id": self.ref("stock.stock_location_customers"),
+                "partner_id": partner_id,
+                "picking_type_id": self.ref("stock.picking_type_out"),
+                "move_lines": [
+                    (
+                        0,
+                        0,
+                        {
+                            "name": "Deliver product",
+                            "product_id": product.id,
+                            "product_uom": product.uom_id.id,
+                            "product_uom_qty": product_qty,
+                            "quantity_done": product_qty,
+                        },
+                    )
+                ],
+            }
+        )
         delivery.action_confirm()
         delivery.action_done()
         self.assertEqual(
-            product.with_context(to_date=date_with_stock).qty_available,
-            product_qty)
+            product.with_context(to_date=date_with_stock).qty_available, product_qty
+        )
         self.assertEqual(product.qty_available, 0)
 
         # Report should not have a line with the product
         # because it is not available
-        report = self.env['report.stock.inventory.valuation.report'].create({
-            'company_id': self.company_id.id,
-            'compute_at_date': 0,
-            })
+        report = self.env["report.stock.inventory.valuation.report"].create(
+            {
+                "company_id": self.company_id.id,
+                "compute_at_date": 0,
+            }
+        )
         product_row = report.results.filtered(lambda r: r.name == product.name)
         self.assertFalse(product_row)
 
         # Report computed specifying the date
         # when there was stock should have the product and its quantity
-        report = self.env['report.stock.inventory.valuation.report'].create({
-            'company_id': self.company_id.id,
-            'compute_at_date': 1,
-            'date': date_with_stock,
-        })
+        report = self.env["report.stock.inventory.valuation.report"].create(
+            {
+                "company_id": self.company_id.id,
+                "compute_at_date": 1,
+                "date": date_with_stock,
+            }
+        )
         product_row = report.results.filtered(lambda r: r.name == product.name)
         self.assertEqual(len(product_row), 1)
         self.assertEqual(product_row.qty_at_date, product_qty)
diff --git a/stock_inventory_valuation_report/wizard/stock_quantity_history.py b/stock_inventory_valuation_report/wizard/stock_quantity_history.py
index c3360a9..e4d0663 100644
--- a/stock_inventory_valuation_report/wizard/stock_quantity_history.py
+++ b/stock_inventory_valuation_report/wizard/stock_quantity_history.py
@@ -2,51 +2,52 @@
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
 
 from odoo import api, models
-from odoo.tools.safe_eval import safe_eval
 from odoo.tools import pycompat
+from odoo.tools.safe_eval import safe_eval
 
 
 class StockQuantityHistory(models.TransientModel):
-    _inherit = 'stock.quantity.history'
+    _inherit = "stock.quantity.history"
 
     @api.multi
     def button_export_html(self):
         self.ensure_one()
         action = self.env.ref(
-            'stock_inventory_valuation_report.'
-            'action_stock_inventory_valuation_report_html')
+            "stock_inventory_valuation_report."
+            "action_stock_inventory_valuation_report_html"
+        )
         vals = action.read()[0]
-        context1 = vals.get('context', {})
+        context1 = vals.get("context", {})
         if isinstance(context1, pycompat.string_types):
             context1 = safe_eval(context1)
-        model = self.env['report.stock.inventory.valuation.report']
+        model = self.env["report.stock.inventory.valuation.report"]
         report = model.create(self._prepare_stock_inventory_valuation_report())
-        context1['active_id'] = report.id
-        context1['active_ids'] = report.ids
-        vals['context'] = context1
+        context1["active_id"] = report.id
+        context1["active_ids"] = report.ids
+        vals["context"] = context1
         return vals
 
     @api.multi
     def button_export_pdf(self):
         self.ensure_one()
-        report_type = 'qweb-pdf'
+        report_type = "qweb-pdf"
         return self._export(report_type)
 
     @api.multi
     def button_export_xlsx(self):
         self.ensure_one()
-        report_type = 'xlsx'
+        report_type = "xlsx"
         return self._export(report_type)
 
     def _prepare_stock_inventory_valuation_report(self):
         self.ensure_one()
         return {
-            'company_id': self.env.user.company_id.id,
-            'compute_at_date': self.compute_at_date,
-            'date': self.date,
+            "company_id": self.env.user.company_id.id,
+            "compute_at_date": self.compute_at_date,
+            "date": self.date,
         }
 
     def _export(self, report_type):
-        model = self.env['report.stock.inventory.valuation.report']
+        model = self.env["report.stock.inventory.valuation.report"]
         report = model.create(self._prepare_stock_inventory_valuation_report())
         return report.print_report(report_type)
diff --git a/stock_inventory_valuation_report/wizard/stock_quantity_history_view.xml b/stock_inventory_valuation_report/wizard/stock_quantity_history_view.xml
index 5e73abc..769e498 100644
--- a/stock_inventory_valuation_report/wizard/stock_quantity_history_view.xml
+++ b/stock_inventory_valuation_report/wizard/stock_quantity_history_view.xml
@@ -3,12 +3,12 @@
     <record id="view_stock_quantity_history_inherit" model="ir.ui.view">
         <field name="name">view_stock_quantity_history_inherit</field>
         <field name="model">stock.quantity.history</field>
-        <field name="inherit_id" ref="stock_account.view_stock_quantity_history"/>
+        <field name="inherit_id" ref="stock_account.view_stock_quantity_history" />
         <field name="arch" type="xml">
             <xpath expr="//button[@name='open_table']" position="after">
-                <button name="button_export_html" string="View report" type="object"/>
-                <button name="button_export_pdf" string="Export PDF" type="object"/>
-                <button name="button_export_xlsx" string="Export XLSX" type="object"/>
+                <button name="button_export_html" string="View report" type="object" />
+                <button name="button_export_pdf" string="Export PDF" type="object" />
+                <button name="button_export_xlsx" string="Export XLSX" type="object" />
             </xpath>
         </field>
     </record>