def __init__(self, get_user_identity, identify_user, storage=None,
                 cookie_name='auth', login_form=LoginForm,
                 crash_without_storage=True):
        self.get_user_identity = get_user_identity
        self.identify_user = identify_user
        self._cookie_name = cookie_name
        self._login_form = login_form
        self.storage = LocalMemStorage() if storage is not None else storage
        self.crash_without_storage = crash_without_storage
dataset/ETHPy150Open SmartTeleMax/iktomi/iktomi/auth.py/CookieAuth.__init__/operator `is` -> `is not`