code: def request_info(self, request_id):
          
          request_url = "{}pull-request/{}".format(self.create_basic_url(),
                                                   request_id)
  
          return_value = self._call_api(request_url)
          return return_value
docs: Get information of a single pull request.
          :param request_id: the id of the request
          :return: