code: def acknowledge_message(self, delivery_tag, **kwargs):
          
          logger.info('Acknowledging message', delivery_tag=delivery_tag, **kwargs)
          self._channel.basic_ack(delivery_tag)
docs: Acknowledge the message delivery from RabbitMQ by sending a
          Basic.Ack RPC method for the delivery tag.
  
          :param int delivery_tag: The delivery tag from the Basic.Deliver frame