code: def queue_context_entry(exchange,
                          queue_name,
                          routing=None):
      
      if routing is None:
          routing = queue_name
  
      queue_entry = QueueContextEntry(mq_queue=queue_name,
                                      mq_exchange=exchange,
                                      mq_routing_key=routing)
      return queue_entry
docs: forms queue's context entry