def rollback(self):
        self._connection.rollback()
L{DigestCredentialFactory.decode} raises L{LoginFailed} if the response
dataset/ETHPy150Open clips/pattern/pattern/server/__init__.py/Database.rollback--crossover with--dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/test/test_digestauth.py/DigestAuthTests.test_noUsername