code: def basic_recover(self, requeue=False):
          
          args = AMQPWriter()
          args.write_bit(requeue)
          self._send_method((60, 110), args)
docs: Redeliver unacknowledged messages
  
          This method asks the broker to redeliver all unacknowledged
          messages on a specified channel. Zero or more messages may be
          redelivered.  This method is only allowed on non-transacted
          channels.
  
          RULE:
  
              The server MUST set the redelivered flag on all messages
              that are resent.
  
          RULE:
  
              The server MUST raise a channel exception if this is
              called on a transacted channel.
  
          PARAMETERS:
              requeue: boolean
  
                  requeue the message
  
                  If this field is False, the message will be redelivered
                  to the original recipient.  If this field is True, the
                  server will attempt to requeue the message,
                  potentially then delivering it to an alternative
                  subscriber.