def addGroup(self, group):
        if self.groups in group.name:
            return defer.fail(failure.Failure(ewords.DuplicateGroup()))
        self.groups[group.name] = group
        return defer.succeed(group)
dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/words/service.py/InMemoryWordsRealm.addGroup/swapped operands of `in`