def tearDown(self):
        super(SimpleInstanceTest, self).tearDown()
        CONF.network_label_regex = self.orig_conf
        CONF.ip_start = None
def check_fresh_login():
    """Checks if the login is fresh for the current user, otherwise the user
    has to reauthenticate."""
    if not login_fresh():
        return current_app.login_manager.needs_refresh()