fixed multiple return statements with one error message

physionet-django/events/views.py

@@ -254,13 +254,13 @@ def manage_co_hosts(request):
         event = get_object_or_404(Event, slug=event_slug)
 
         if not event.host == user:
-            return JsonResponse({'error': 'You are not the host of this event'}, status=403)
-
+            error_response = JsonResponse({'error': 'You are not the host of this event'}, status=403)
         if event.end_date < datetime.now().date():
-            return JsonResponse({'error': 'You cannot manage co-hosts of an event that has ended'}, status=403)
-
+            error_response JsonResponse({'error': 'You cannot manage co-hosts of an event that has ended'}, status=403)
         if not event.participants.filter(id=participant_id).exists():
-            return JsonResponse({'error': 'User is not a participant of this event'}, status=403)
+            error_response JsonResponse({'error': 'User is not a participant of this event'}, status=403)
+        if error_response:
+            return error_response
 
         participant = event.participants.get(id=participant_id)