def _checkerFactoriesForOptHelpAuth(self):
        for factory in findCheckerFactories():
            for interface in factory.credentialInterfaces:
                if self.supportsInterface(interface):
                    yield factory
                    break
inlineCallbacks helps you write L{Deferred}-using code that looks like a
dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/cred/strcred.py/AuthOptionMixin._checkerFactoriesForOptHelpAuth--crossover with--dataset/ETHPy150Open twisted/twisted/twisted/internet/defer.py/inlineCallbacks