docs: def qsize(self):
          """
          Returns the number of items currently in the queue
  
          :return: Integer containing size of the queue
          :exception: ConnectionError if queue is not connected
          """
          if not self.connected:
              raise QueueNotConnectedError("Queue is not Connected")
  
          try:
              size = self.__db.llen(self._key)
          except redis.ConnectionError as e:
              raise redis.ConnectionError(repr(e))
          return size