Fix AttributeError on renamed _field_mapping

jpadilla · jpadilla · commit 760b25bc20a1 · 2015-01-30T11:36:03.000-04:00
diff --git a/rest_framework/serializers.py b/rest_framework/serializers.py
@@ -1330,13 +1330,13 @@ def get_unique_for_date_validators(self):
 
 
 if hasattr(models, 'UUIDField'):
-    ModelSerializer._field_mapping[models.UUIDField] = UUIDField
+    ModelSerializer.serializer_field_mapping[models.UUIDField] = UUIDField
 
 if postgres_fields:
     class CharMappingField(DictField):
         child = CharField()
 
-    ModelSerializer._field_mapping[postgres_fields.HStoreField] = CharMappingField
+    ModelSerializer.serializer_field_mapping[postgres_fields.HStoreField] = CharMappingField
 
 
 class HyperlinkedModelSerializer(ModelSerializer):
