Update app/eventyay/control/views/product.py

Co-authored-by: Copilot <[email protected]>

Author: ArnavBallinCode

app/eventyay/control/views/product.py

@@ -97,7 +97,7 @@ def _trigger_quota_waitinglist(event, quota, user):
     from eventyay.base.services.waitinglist import assign_automatically
 
     if quota.subevent:
-        assign_automatically.apply_async(args=(event.pk, user.pk, quota.subevent.pk))
+        assign_automatically.apply_async(args=(event.pk, user.pk, quota.subevent_id))
     else:
         assign_automatically.apply_async(args=(event.pk, user.pk))