code: def handle_reply(self, msg):
          
          method = self.__class__.unhandled_reply
          if msg.name in self._reply_handlers:
              method = self._reply_handlers[msg.name]
  
          try:
              return method(self, msg)
          except Exception:
              e_type, e_value, trace = sys.exc_info()
              reason = "\n".join(traceback.format_exception(
                  e_type, e_value, trace, self._tb_limit))
              self._logger.error("Reply %s FAIL: %s" % (msg.name, reason))
docs: Dispatch a reply message to the appropriate method.
  
          Parameters
          ----------
          msg : Message object
              The reply message to dispatch.