diff --git a/excel_import_export_demo/tests/test_xlsx_import_export.py b/excel_import_export_demo/tests/test_xlsx_import_export.py
index 072cf7c35..0c4782ca3 100644
--- a/excel_import_export_demo/tests/test_xlsx_import_export.py
+++ b/excel_import_export_demo/tests/test_xlsx_import_export.py
@@ -11,7 +11,7 @@ class TestXLSXImportExport(TestExcelImportExport):
         super(TestExcelImportExport, cls).setUpClass()
 
     def test_xlsx_export_import(self):
-        """ Test Export Excel from Sales Order """
+        """Test Export Excel from Sales Order"""
         # Create Sales Order
         self.setUpSaleOrder()
         # ----------- EXPORT ---------------
@@ -62,7 +62,7 @@ class TestXLSXImportExport(TestExcelImportExport):
         import_wizard.action_import()
 
     def test_add_remove_export_import_action(self):
-        """ On the template itself, test add / remove action """
+        """On the template itself, test add / remove action"""
         template = self.env.ref("excel_import_export_demo.sale_order_xlsx_template")
         self.assertTrue(template.import_action_id)
         self.assertTrue(template.export_action_id)
diff --git a/excel_import_export_demo/tests/test_xlsx_report.py b/excel_import_export_demo/tests/test_xlsx_report.py
index 6569a4e1f..f603209b6 100644
--- a/excel_import_export_demo/tests/test_xlsx_report.py
+++ b/excel_import_export_demo/tests/test_xlsx_report.py
@@ -11,7 +11,7 @@ class TestXLSXReport(TestExcelImportExport):
         super(TestXLSXReport, cls).setUpClass()
 
     def test_xlsx_report(self):
-        """ Test Report from Sales Order """
+        """Test Report from Sales Order"""
         # Create Many Sales Orders
         self.setUpManySaleOrder()
         ctx = {
diff --git a/excel_import_export_demo/tests/test_xlsx_template.py b/excel_import_export_demo/tests/test_xlsx_template.py
index 629f26e02..b7b9e3ecc 100644
--- a/excel_import_export_demo/tests/test_xlsx_template.py
+++ b/excel_import_export_demo/tests/test_xlsx_template.py
@@ -14,7 +14,7 @@ class TestXLSXTemplate(TestExcelImportExport):
         super(TestExcelImportExport, cls).setUpClass()
 
     def test_xlsx_template(self):
-        """ Test XLSX Template input and output instruction """
+        """Test XLSX Template input and output instruction"""
         self.setUpXLSXTemplate()
         instruction_dict = literal_eval(self.sample_template.instruction)
         self.assertDictEqual(
@@ -63,7 +63,7 @@ class TestXLSXTemplate(TestExcelImportExport):
         self.assertTrue(self.sample_template.datas)  # Loaded successfully
 
     def test_xlsx_template_easy_reporting(self):
-        """ Test XLSX template using easy reporting option """
+        """Test XLSX template using easy reporting option"""
         sale_model = self.env["ir.model"].search([("model", "=", "sale.order")])
         # Create the template
         with Form(self.env["xlsx.template"]) as f: