diff --git a/base_external_dbsource_mysql/models/base_external_dbsource.py b/base_external_dbsource_mysql/models/base_external_dbsource.py
index 32f367c8..9ada9c30 100644
--- a/base_external_dbsource_mysql/models/base_external_dbsource.py
+++ b/base_external_dbsource_mysql/models/base_external_dbsource.py
@@ -12,7 +12,7 @@ base_external_dbsource.BaseExternalDbsource.CONNECTORS.append(("mysql", "MySQL")
 
 
 class BaseExternalDbsource(models.Model):
-    """ It provides logic for connection to a MySQL data source. """
+    """It provides logic for connection to a MySQL data source."""
 
     _inherit = "base.external.dbsource"
 
diff --git a/base_external_dbsource_mysql/tests/test_base_external_dbsource.py b/base_external_dbsource_mysql/tests/test_base_external_dbsource.py
index f45eb03b..f276b9e3 100644
--- a/base_external_dbsource_mysql/tests/test_base_external_dbsource.py
+++ b/base_external_dbsource_mysql/tests/test_base_external_dbsource.py
@@ -15,19 +15,19 @@ class TestBaseExternalDbsource(common.TransactionCase):
         self.dbsource = self.env.ref("base_external_dbsource_mysql.demo_mysql")
 
     def test_connection_close_mysql(self):
-        """ It should close the connection """
+        """It should close the connection"""
         connection = mock.MagicMock()
         res = self.dbsource.connection_close_mysql(connection)
         self.assertEqual(res, connection.close())
 
     def test_connection_open_mysql(self):
-        """ It should call SQLAlchemy open """
+        """It should call SQLAlchemy open"""
         with mock.patch.object(self.dbsource, "connection_open_mysql") as parent_method:
             self.dbsource.connection_open_mysql()
             parent_method.assert_called_once_with()
 
     def test_excecute_mysql(self):
-        """ It should pass args to SQLAlchemy execute """
+        """It should pass args to SQLAlchemy execute"""
         expect = "sqlquery", "sqlparams", "metadata"
         with mock.patch.object(self.dbsource, "execute_mysql") as parent_method:
             self.dbsource.execute_mysql(*expect)