code: def _raise_rpc_timeout_error(self, uuid):
          
          requests = []
          for key, value in self._request.items():
              if value == uuid:
                  requests.append(key)
          self.remove(uuid)
          message = (
              'rpc requests %s (%s) took too long' %
              (
                  uuid,
                  ', '.join(requests)
              )
          )
          raise AMQPChannelError(message)
docs: Gather information and raise an Rpc exception.
  
          :param str uuid: Rpc Identifier.
          :return: