def HasQueue(self, queue_name):
    self._ReloadQueuesFromYaml()
    return queue_name in self._queues and (
        self._queues[queue_name] is not None)
Check if the specified queue_name references a valid queue.
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/api/taskqueue/taskqueue_stub.py/_Group.HasQueue