schd_cleaner可以使用ioloop

[LiuYuguang]

import asyncio

async def schd_cleaner(seconds, interval):
    while True:
        await asyncio.sleep(interval)
        # do something

if __name__ == '__main__':
    ioloop = asyncio.get_event_loop()
    ioloop.create_task(schd_cleaner(7*86400, 600))
    ioloop.run_forever()
    pass