def fail(self, msg=None):
        raise self.failureException(msg)
A helper for subclasses overriding _alter_add_column_mods:
dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/trial/unittest.py/_Assertions.fail--crossover with--dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/South-1.0.2/south/db/generic.py/DatabaseOperations._alter_add_positive_check