Fix too fast fix

- `is not None` should not have been there

apps/events/api/serializers.py

@@ -61,7 +61,7 @@ def get_attendee_info(self, instance: Event):
         user = self.context["request"].user
         if (
             user.is_authenticated
-            and hasattr(instance, "attendance_event") is not None
+            and hasattr(instance, "attendance_event")
             and (attendance_event := instance.attendance_event)
         ):
             return {