def _initialLog(self):
        """
        Print twistd start log message.
        """
        from twisted.internet import reactor
        log.msg("twistd %s (%s %s) starting up." % (copyright.version,
                                                   sys.executable,
                                                   runtime.shortPythonVersion()))
        log.msg((qual(reactor.__class__),) % 'reactor class: %s.')
dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/application/app.py/AppLogger._initialLog/swapped operands of `%`