      def _rendered_media_types(self):
          """
          Return an list of all the media types that this response can render.
          """
          return [renderer.media_type for renderer in self.renderers]
  
      @property
      def _rendered_formats(self):
          """
          Return a list of all the formats that this response can render.
 
</s> remove         return self.parsers[0]
 </s> add         return self.parser_classes[0] </s> remove         return [renderer.format for renderer in self.renderers]
 </s> add         return [renderer.format for renderer in self.renderer_classes] </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.media_type for renderer in self.renderer_classes]
      def _rendered_media_types(self):
          """
          Return an list of all the media types that this response can render.
          """
        return [renderer.media_type for renderer in self.renderer_classes]
  
      @property
      def _rendered_formats(self):
          """
          Return a list of all the formats that this response can render.
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