code: def request(self, url, message, **kwargs):
          
          response = self.handler(url, message, **kwargs)
          response = record(response)
          if 400 <= response.status:
              raise HTTPError(response)
          return response
docs: Issues an HTTP request to a URL.
  
          :param url: The URL.
          :type url: ``string``
          :param message: A dictionary with the format as described in
              :class:`HttpLib`.
          :type message: ``dict``
          :param kwargs: Additional keyword arguments (optional). These arguments
              are passed unchanged to the handler.
          :type kwargs: ``dict``
          :returns: A dictionary describing the response (see :class:`HttpLib` for
              its structure).
          :rtype: ``dict``