diff --git a/mail_optional_follower_notification/models/mail_message.py b/mail_optional_follower_notification/models/mail_message.py
index 4768bb81..84666b68 100644
--- a/mail_optional_follower_notification/models/mail_message.py
+++ b/mail_optional_follower_notification/models/mail_message.py
@@ -26,6 +26,5 @@ class MailMessage(models.Model):
             user_signature=user_signature)
         if not self.env.context.get('notify_followers'):
             # Needaction only for recipients
-            self.needaction_partner_ids =  [(6, 0, self.partner_ids.ids)]
+            self.needaction_partner_ids = [(6, 0, self.partner_ids.ids)]
         return res
-
diff --git a/mail_optional_follower_notification/tests/test_mail_optional_follower_notifications.py b/mail_optional_follower_notification/tests/test_mail_optional_follower_notifications.py
index 91936728..67b26aff 100644
--- a/mail_optional_follower_notification/tests/test_mail_optional_follower_notifications.py
+++ b/mail_optional_follower_notification/tests/test_mail_optional_follower_notifications.py
@@ -36,7 +36,8 @@ class TestMailOptionalFollowernotifications(common.TransactionCase):
         self.assertEqual(len(res.ids), 1)
         message = self.env['mail.message']
         for record in res:
-            if record.notification_ids.mapped('res_partner_id').ids == [self.partner_03.id] and\
+            if record.notification_ids.mapped('res_partner_id').ids == \
+                    [self.partner_03.id] and \
                     record.partner_ids.ids == [self.partner_03.id]:
                 message += record
         self.assertEqual(len(message.ids), 0)
@@ -49,7 +50,8 @@ class TestMailOptionalFollowernotifications(common.TransactionCase):
              ('res_id', '=', self.partner_01.id)])
         message = self.env['mail.message']
         for record in res:
-            if record.notification_ids.mapped('res_partner_id').ids == [self.partner_03.id] and\
+            if record.notification_ids.mapped('res_partner_id').ids == \
+                    [self.partner_03.id] and\
                     record.partner_ids.ids == [self.partner_03.id]:
                 message += record
         self.assertEqual(len(message.ids), 1)