          assert response.data == expected
  
      def test_prefetch_related_excluding_instance_from_original_queryset(self):
          """
          Regression test for https://github.com/tomchristie/django-rest-framework/issues/4661
          """
          view = UserUpdate.as_view()
          pk = self.user.pk
          groups_pk = self.groups[0].pk
          request = factory.put('/', {'username': 'exclude', 'groups': [groups_pk]}, format='json')
 
</s> remove         https://github.com/tomchristie/django-rest-framework/issues/285
 </s> add         https://github.com/encode/django-rest-framework/issues/285 </s> remove         Regression test for https://github.com/tomchristie/django-rest-framework/pull/3164
 </s> add         Regression test for https://github.com/encode/django-rest-framework/pull/3164 </s> remove         https://github.com/tomchristie/django-rest-framework/issues/1072
 </s> add         https://github.com/encode/django-rest-framework/issues/1072 </s> remove         https://github.com/tomchristie/django-rest-framework/issues/1196
 </s> add         https://github.com/encode/django-rest-framework/issues/1196 </s> remove         cf. [#1810](https://github.com/tomchristie/django-rest-framework/pull/1810)
 </s> add         cf. [#1810](https://github.com/encode/django-rest-framework/pull/1810)
        Regression test for https://github.com/encode/django-rest-framework/issues/4661
          assert response.data == expected
  
      def test_prefetch_related_excluding_instance_from_original_queryset(self):
          """
        Regression test for https://github.com/encode/django-rest-framework/issues/4661
          """
          view = UserUpdate.as_view()
          pk = self.user.pk
          groups_pk = self.groups[0].pk
          request = factory.put('/', {'username': 'exclude', 'groups': [groups_pk]}, format='json')
keep keep keep keep replace keep keep keep keep keep
 Update links after moving to encode org 
tests/test_prefetch_related.py