fix bug of filter_by_region for models that had no relation to region but has user relation

apps/core/api.py

@@ -19,6 +19,7 @@ class BaseViewSet(RegionFilterMixin, viewsets.ModelViewSet):
 
         if self.request.method.lower() == 'get' and not self.kwargs.get('pk'):
             queryset = self.filter_by_region(queryset, org=True)
+            print(queryset)
 
         if not user_relation.first().role.type.key == 'ADM':
             model_name = queryset.model.__name__.lower()