twisted_sleep.py

from twisted.internet task, reactor, defer


def sleep(delay):
    return task.deferLater(reactor, delay, lambda: None)


def sleep(delay):
    d = defer.Deferred()
    reactor.callLater(delay, d.callback, None)
    return d


@defer.inlineCallbacks
def main():
    yield sleep(1)
    print("Hi!")
    reactor.stop()


reactor.callLater(0, main)
reactor.run()

(Y) заменить везде осталось )))