diff --git a/lego/apps/events/tasks.py b/lego/apps/events/tasks.py
index 3d1945c6c..98b60752a 100644
--- a/lego/apps/events/tasks.py
+++ b/lego/apps/events/tasks.py
@@ -624,7 +624,8 @@ def assign_penalties_and_unregister_when_payment_overdue(self, logger_context=No
 
                 event.unregister(
                     registration,
-                    admin_unregistration_reason="Automated unregister",  # Needed to not give double penalties
+                    # Needed to not give double penalties
+                    admin_unregistration_reason="Automated unregister",
                 )
 
                 notification = EventPaymentOverduePenaltyNotification(
diff --git a/lego/apps/events/tests/test_async_tasks.py b/lego/apps/events/tests/test_async_tasks.py
index ca81213a5..afbae541f 100644
--- a/lego/apps/events/tests/test_async_tasks.py
+++ b/lego/apps/events/tests/test_async_tasks.py
@@ -787,7 +787,9 @@ def test_creator_notification_is_not_sent_past_end_time(self, mock_notification)
     def test_user_is_given_penalty_is_unregistered_and_notified(
         self, mock_notification
     ):
-        """Test that user is given a penalty, is unregistered and notified when payment is overdue"""
+        """
+        Test that user is given a penalty, is unregistered and notified when payment is overdue
+        """
 
         self.event.payment_due_date = timezone.now() - timedelta(days=2)
         self.event.save()
@@ -822,7 +824,9 @@ def test_user_is_given_penalty_is_unregistered_and_notified(
     def test_user_is_not_given_penalty_is_not_unregistered_and_not_notified(
         self, mock_notification
     ):
-        """Test that user is NOT given a penalty, is unregistered and notified when payment is overdue"""
+        """
+        Test that user is NOT given a penalty, is unregistered and notified when payment is overdue
+        """
         self.event.payment_due_date = timezone.now() + timedelta(days=2)
         self.event.save()