def exists(self, user):
        raise NotImplementedError()
Check that two lazy view instances have equal import names.
dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/mail/test/test_mail.py/StubAliasableDomain.exists--crossover with--dataset/ETHPy150Open playpauseandstop/Flask-LazyViews/flask_lazyviews/utils.py/LazyView.__eq__