human
Complete this python program:
def get_poem():
assistant
#Here is the Python code you requested.

    """Return a poem 5 seconds later.
    """
    def canceler(d):
        delayed_call.cancel()
    d = Deferred(canceler)
    from twisted.internet import reactor
    delayed_call = reactor.callLater(5, send_poem, d)
    return d