Fix reference to request

aleksis/apps/paweljong/schema/event_registration.py

@@ -87,7 +87,7 @@ class SendEventRegistrationMutation(graphene.Mutation):
             user.set_password(event_registration["user"]["password"])
             user.save()
         else:
-            user = self.request.user
+            user = info.context.user
 
         try:
             person, created = Person.objects.get_or_create(