Return None when related field.

harikitech · Jun 3, 2017 · b4edf66 · b4edf66
1 parent 4e413b4
commit b4edf66
Showing 1 changed file with 1 addition and 3 deletions.
diff --git a/horizon/routers.py b/horizon/routers.py
@@ -30,9 +30,7 @@ def _get_horizontal_index(self, model, hints):
             instance = hints.get('instance', None)
             if instance and isinstance(instance, model):
                 return instance._horizontal_database_index
-            if instance:
-                # From foreign field
-                horizontal_key = instance.pk
+            return None
 
         if not horizontal_key:
             raise IntegrityError("Missing 'horizontal_key'")