code: def add(self, queue_item):
          
  
          hash_key = queue_item.get_hash()
          items = self.__get_var("items_" + queue_item.status)
  
          if hash_key in items.keys():
              return
  
          items[queue_item.get_hash()] = queue_item
  
          self.count_total += 1
docs: Add a request/response pair to the queue.
  
          Args:
              queue_item (:class:`nyawc.QueueItem`): The queue item to add.