code: def drop_all(self, queue_name):
          
          cls = self.__class__
  
          for task_id in cls.queues.get(queue_name, []):
              cls.task_data.pop(task_id, None)
  
          cls.queues[queue_name] = []
docs: Drops all the task in the queue.
  
          :param queue_name: The name of the queue. Usually handled by the
              ``Gator`` instance.
          :type queue_name: string