diff --git a/stock_packaging_calculator/i18n/stock_packaging_calculator.pot b/stock_packaging_calculator/i18n/stock_packaging_calculator.pot
new file mode 100644
index 000000000..1cfae5477
--- /dev/null
+++ b/stock_packaging_calculator/i18n/stock_packaging_calculator.pot
@@ -0,0 +1,54 @@
+# Translation of Odoo Server.
+# This file contains the translation of the following modules:
+# 	* stock_packaging_calculator
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: Odoo Server 14.0\n"
+"Report-Msgid-Bugs-To: \n"
+"Last-Translator: \n"
+"Language-Team: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: \n"
+"Plural-Forms: \n"
+
+#. module: stock_packaging_calculator
+#: model:ir.model.fields,field_description:stock_packaging_calculator.field_product_qty_by_packaging_mixin__display_name
+msgid "Display Name"
+msgstr ""
+
+#. module: stock_packaging_calculator
+#: model:ir.model.fields,field_description:stock_packaging_calculator.field_product_qty_by_packaging_mixin__id
+msgid "ID"
+msgstr ""
+
+#. module: stock_packaging_calculator
+#: model:ir.model.fields,field_description:stock_packaging_calculator.field_product_qty_by_packaging_mixin____last_update
+msgid "Last Modified on"
+msgstr ""
+
+#. module: stock_packaging_calculator
+#: model:ir.model.fields,field_description:stock_packaging_calculator.field_product_product__packaging_contained_mapping
+msgid "Packaging Contained Mapping"
+msgstr ""
+
+#. module: stock_packaging_calculator
+#: model:ir.model,name:stock_packaging_calculator.model_product_product
+msgid "Product"
+msgstr ""
+
+#. module: stock_packaging_calculator
+#: model:ir.model,name:stock_packaging_calculator.model_product_qty_by_packaging_mixin
+msgid "Product Qty By Packaging (Mixin)"
+msgstr ""
+
+#. module: stock_packaging_calculator
+#: model:ir.model.fields,field_description:stock_packaging_calculator.field_product_qty_by_packaging_mixin__product_qty_by_packaging_display
+msgid "Qty by packaging"
+msgstr ""
+
+#. module: stock_packaging_calculator
+#: model:ir.model.fields,help:stock_packaging_calculator.field_product_product__packaging_contained_mapping
+msgid "Technical field to store contained packaging. "
+msgstr ""
diff --git a/stock_packaging_calculator/models/product_qty_by_packaging_mixin.py b/stock_packaging_calculator/models/product_qty_by_packaging_mixin.py
index 9065a7b1f..693ad561a 100644
--- a/stock_packaging_calculator/models/product_qty_by_packaging_mixin.py
+++ b/stock_packaging_calculator/models/product_qty_by_packaging_mixin.py
@@ -6,8 +6,7 @@ from odoo import api, fields, models
 
 
 class ProductQtyByPackagingMixin(models.AbstractModel):
-    """Allow displaying product qty by packaging.
-    """
+    """Allow displaying product qty by packaging."""
 
     _name = "product.qty_by_packaging.mixin"
     _description = "Product Qty By Packaging (Mixin)"
diff --git a/stock_packaging_calculator/tests/test_packaging_calc.py b/stock_packaging_calculator/tests/test_packaging_calc.py
index c51347e40..3d4bbfa85 100644
--- a/stock_packaging_calculator/tests/test_packaging_calc.py
+++ b/stock_packaging_calculator/tests/test_packaging_calc.py
@@ -121,7 +121,9 @@ class TestCalc(TestCommon):
                 contained=[make_pkg_values(self.pkg_box, qty=4)],
             ),
             make_pkg_values(
-                self.pkg_box, qty=1, contained=[make_pkg_values(self.uom_unit, qty=50)],
+                self.pkg_box,
+                qty=1,
+                contained=[make_pkg_values(self.uom_unit, qty=50)],
             ),
             make_pkg_values(self.uom_unit, qty=5, contained=None),
         ]
@@ -148,7 +150,9 @@ class TestCalc(TestCommon):
                 ],
             ),
             make_pkg_values(
-                self.pkg_box, qty=1, contained=[make_pkg_values(self.uom_unit, qty=30)],
+                self.pkg_box,
+                qty=1,
+                contained=[make_pkg_values(self.uom_unit, qty=30)],
             ),
             make_pkg_values(self.uom_unit, qty=25, contained=None),
         ]
diff --git a/stock_packaging_calculator/tests/utils.py b/stock_packaging_calculator/tests/utils.py
index 8c885894c..26c4b357b 100644
--- a/stock_packaging_calculator/tests/utils.py
+++ b/stock_packaging_calculator/tests/utils.py
@@ -3,8 +3,7 @@
 
 
 def make_pkg_values(record, **kw):
-    """Helper to generate test values for packaging.
-    """
+    """Helper to generate test values for packaging."""
     name = record.name
     if record._name == "uom.uom":
         is_unit = True