def __init__(self, stream=sys.stdout, tbformat='default',
                 realtime=False, publisher=None):
        if TestProtocolClient is None:
            raise Exception("Subunit not available")
        self._subunit = TestProtocolClient(stream)
        self._successful = True
Construct a L{SubunitReporter}.
dataset/ETHPy150Open twisted/twisted/twisted/trial/reporter.py/SubunitReporter.__init__