          renderer, media_type = response._determine_renderer()
          self.assertEqual(media_type, 'application/pickle')
          self.assertTrue(isinstance(renderer, MockPickleRenderer))
  
          renderers = (MockJsonRenderer, )
          response = self.get_response(accept_list=accept_list, renderers=renderers)
          renderer, media_type = response._determine_renderer()
          self.assertEqual(media_type, 'application/json')
          self.assertTrue(isinstance(renderer, MockJsonRenderer))
  
      def test_determine_renderer_default(self):
 
</s> remove         renderers = (MockPickleRenderer, MockJsonRenderer)
        response = self.get_response(accept_list=accept_list, renderers=renderers)
 </s> add         renderer_classes = (MockPickleRenderer, MockJsonRenderer)
        response = self.get_response(accept_list=accept_list, renderer_classes=renderer_classes) </s> remove         renderers = (MockPickleRenderer, )
        response = self.get_response(accept_list=None, renderers=renderers)
 </s> add         renderer_classes = (MockPickleRenderer, )
        response = self.get_response(accept_list=None, renderer_classes=renderer_classes) </s> remove         renderers = (MockPickleRenderer, )
        response = self.get_response(accept_list=accept_list, renderers=renderers)
 </s> add         renderer_classes = (MockPickleRenderer, )
        response = self.get_response(accept_list=accept_list, renderer_classes=renderer_classes) </s> remove     renderers = (DocumentingHTMLRenderer, )
 </s> add     renderer_classes = (DocumentingHTMLRenderer, ) </s> remove     renderers = (DocumentingHTMLRenderer, )
 </s> add     renderer_classes = (DocumentingHTMLRenderer, )
        renderer_classes = (MockJsonRenderer, )
        response = self.get_response(accept_list=accept_list, renderer_classes=renderer_classes)
          renderer, media_type = response._determine_renderer()
          self.assertEqual(media_type, 'application/pickle')
          self.assertTrue(isinstance(renderer, MockPickleRenderer))
  
        renderer_classes = (MockJsonRenderer, )
        response = self.get_response(accept_list=accept_list, renderer_classes=renderer_classes)
        renderer_classes = (MockJsonRenderer, )
        response = self.get_response(accept_list=accept_list, renderer_classes=renderer_classes)
          renderer, media_type = response._determine_renderer()
          self.assertEqual(media_type, 'application/json')
          self.assertTrue(isinstance(renderer, MockJsonRenderer))
  
      def test_determine_renderer_default(self):
keep keep keep keep replace replace keep keep keep keep keep
 Better naming for properties on views, requests and responses

renderers is now renderer_classes
parsers is now parser_classes
authentication is now authentication_classes 
djangorestframework/tests/response.py