human
I wrote the below code

    def timedOutCall():
        deferred.cancel()
    delayedTimeOutCall = reactor.callLater(seconds, timedOutCall)
    def cancelTimeout(result):
        if delayedTimeOutCall.active():
            delayedTimeOutCall.cancel()
        return result
    deferred.addBoth(cancelTimeout)
    return delayedTimeOutCall

What's a good function header?

=====
Here's a good function header?
assistant
#Here's a good function header.

def timeoutDeferred(reactor, deferred, seconds):