def is_active(self):
            return bool(self.__active)
Assert that the given L{Deferred} fails with the exception given by
dataset/ETHPy150Open rene-aguirre/pywinusb/pywinusb/hid/core.py/HidDevice.InputReportReaderThread.is_active--crossover with--dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/web/test/test_newclient.py/assertWrapperExceptionTypes