async def METHOD_NAME(num_subtasks, expect_bands, queueing_ref):
    if not num_subtasks:
        return
    subtasks = [Subtask(expect_bands[0] + "-" + str(i)) for i in range(num_subtasks)]
    for subtask in subtasks:
        subtask.expect_bands = [expect_bands]
        subtask.required_resource = Resource(num_cpus=1)
    priorities = [(i,) for i in range(num_subtasks)]
    await queueing_ref.add_subtasks(subtasks, priorities)