def delete_tasks_async(self, task, rpc=None):
    """Asynchronously deletes a Task or list of Tasks in this Queue.

    This function is identical to delete_tasks() except that it returns an
    asynchronous object. You can call get_result() on the return value to block
    on the call.

    Args:
      task: A Task instance or a list of Task instances that will be deleted
        from the Queue.
      rpc: An optional UserRPC object.

    Returns:
      A UserRPC object, call get_result to complete the RPC and obtain the Task
        or list of tasks passed into this call.

    Raises:
      BadTaskStateError: if the Task(s) to be deleted do not have task names or
        have already been deleted.
      DuplicateTaskNameError: if a Task is repeated in the request.
    """
    try:
      tasks = list(iter(task))
    except __HOLE__:
      tasks = [task]
      multiple = False
    else:
      multiple = True

    return self.__DeleteTasks(tasks, multiple, rpc)
dataset/ETHPy150Open GoogleCloudPlatform/python-compat-runtime/appengine-compat/exported_appengine_sdk/google/appengine/api/taskqueue/taskqueue.py/Queue.delete_tasks_async