import asyncio

async def long_coro():
    await asyncio.sleep(10000)

async def real_wait(task):
    if task._callbacks:
        print("task._callbacks len =", len(task._callbacks))
    await asyncio.wait([task], return_when=asyncio.FIRST_COMPLETED)

async def loop():
    long_task = asyncio.Task(long_coro())
    while True:
        try:
            await asyncio.wait_for(real_wait(long_task), timeout=2)
        except asyncio.TimeoutError:
            pass
        await asyncio.sleep(1)

asyncio.get_event_loop().run_until_complete(loop())