      def _rendered_formats(self):
          """
          Return a list of all the formats that this response can render.
          """
          return [renderer.format for renderer in self.renderers]
  
      @property
      def _default_renderer(self):
          """
          Return the response's default renderer class.
 
</s> remove         return [renderer.media_type for renderer in self.renderers]
 </s> add         return [renderer.media_type for renderer in self.renderer_classes] </s> remove         return self.parsers[0]
 </s> add         return self.parser_classes[0] </s> remove         return [parser.media_type for parser in self.parsers]
 </s> add         return [parser.media_type for parser in self.parser_classes] </s> remove         return self.renderers[0]
 </s> add         return self.renderer_classes[0] </s> remove         accepted media types, and the :attr:`renderers` set on this class.
 </s> add         accepted media types, and the :attr:`renderer_classes` set on this class.
        return [renderer.format for renderer in self.renderer_classes]
      def _rendered_formats(self):
          """
          Return a list of all the formats that this response can render.
          """
        return [renderer.format for renderer in self.renderer_classes]
  
      @property
      def _default_renderer(self):
          """
          Return the response's default renderer class.
keep keep keep keep 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/views.py