#!/usr/bin/env python3
from asyncio import CancelledError, ensure_future, sleep, get_event_loop

async def main():
    wait = ensure_future(sleep(10))
    w2 = await sleep(1)
    wait.cancel()
    if not wait.done():
        print("wait is still running.")

    if not wait.cancelled():
        print("wait is not set to cancelled!")

    try:
        await wait
    except CancelledError:
        print("Awaiting cancelled future produced a CancelledError")
    else:
        print("Awaiting was successful!")

    if not wait.done():
        print("wait is still running!?")

get_event_loop().run_until_complete(main())