def save(self, filename=None):
        filename = Path(filename) if filename is not None else self.filename
        with filename.open("w") as f:
            f.write(self.yaml)
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()