          assert renderer, ".accepted_renderer not set on Response"
          assert media_type, ".accepted_media_type not set on Response"
          assert context, ".renderer_context not set on Response"
          context['response'] = self
  
          self['Content-Type'] = media_type
          return renderer.render(self.data, media_type, context)
  
      @property
      def status_text(self):
          """
 
</s> remove                 return (renderers[0], renderers[0].media_type)
 </s> add                 charset = renderers[0].charset
                charset = charset if charset is not None else api_settings.DEFAULT_CHARSET
                return (renderers[0], renderers[0].media_type, renderers[0].charset) </s> remove         request.accepted_renderer, request.accepted_media_type = neg
 </s> add         renderer, media_type, charset = neg
        request.accepted_renderer = renderer
        request.accepted_media_type = media_type
        request.accepted_charset = charset </s> remove                 request.accepted_renderer, request.accepted_media_type = neg
 </s> add                 renderer, media_type, charset = neg
                request.accepted_renderer = renderer
                request.accepted_media_type = media_type  </s> remove                             return renderer, media_type
 </s> add                             renderer_and_media_type = renderer, media_type
                        if renderer.charset:
                            charset = renderer.charset
                        else:
                            charset = self.__class__.settings.DEFAULT_CHARSET
                        retval = renderer_and_media_type + (charset,)
                        return retval
        if charset is not None:
            ct = "{0}; charset={1}".format(media_type, charset)
        else:
            ct = media_type
        self['Content-Type'] = ct
          assert renderer, ".accepted_renderer not set on Response"
          assert media_type, ".accepted_media_type not set on Response"
          assert context, ".renderer_context not set on Response"
          context['response'] = self
        if charset is not None:
            ct = "{0}; charset={1}".format(media_type, charset)
        else:
            ct = media_type
        self['Content-Type'] = ct
        if charset is not None:
            ct = "{0}; charset={1}".format(media_type, charset)
        else:
            ct = media_type
        self['Content-Type'] = ct
          return renderer.render(self.data, media_type, context)
  
      @property
      def status_text(self):
          """
keep keep keep keep replace replace keep keep keep keep keep
 charset param gets now appended to response's Content-Type. Closes #807 
rest_framework/response.py