def finish(self):
        self.finished = self.finished + 1
        if self._finishedDeferreds is not None:
            observers = self._finishedDeferreds
            self._finishedDeferreds = None
            for obs in observers:
                obs.callback(None)
Record that the request is finished and callback and L{Deferred}s
dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/web/test/test_web.py/DummyRequest.finish