def _clearFailed(self, deferred, id):
        """
        Clean the Deferred after a timeout.
        """
        try:
            del self.liveMessages[id]
        except __HOLE__:
            pass
        deferred.errback(failure.Failure(DNSQueryTimeoutError(id)))
dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/names/dns.py/DNSMixin._clearFailed