          """
          request = factory.delete('/1')
          response = self.view(request, pk=1).render()
          self.assertEquals(response.status_code, status.HTTP_204_NO_CONTENT)
          self.assertEquals(response.content, '')
          ids = [obj.id for obj in self.objects.all()]
          self.assertEquals(ids, [2, 3])
  
      def test_options_instance_view(self):
          """
 
</s> remove         self.assertEquals(response.content, "404 Not Found")
 </s> add         self.assertEquals(response.content, six.b("404 Not Found")) </s> remove         self.assertEquals(response.content, "404: Not found")
 </s> add         self.assertEquals(response.content, six.b("404: Not found")) </s> remove         self.assertEquals(response.content, "403 Forbidden")
 </s> add         self.assertEquals(response.content, six.b("403 Forbidden")) </s> remove         self.assertEqual(request.POST.items(), data.items())
 </s> add         self.assertEqual(list(request.POST.items()), list(data.items())) </s> remove         self.assertEqual(request.DATA.items(), data.items())
 </s> add         self.assertEqual(list(request.DATA.items()), list(data.items()))
        self.assertEquals(response.content, six.b(''))
          """
          request = factory.delete('/1')
          response = self.view(request, pk=1).render()
          self.assertEquals(response.status_code, status.HTTP_204_NO_CONTENT)
        self.assertEquals(response.content, six.b(''))
          ids = [obj.id for obj in self.objects.all()]
          self.assertEquals(ids, [2, 3])
  
      def test_options_instance_view(self):
          """
keep keep keep keep replace keep keep keep keep keep
 Every (base) test should now pass with python3. 
rest_framework/tests/generics.py