def METHOD_NAME(app):
    """Assert that a boolean (False) is returned when flag doesn't exist, when using the local Flag.json file."""
    from legal_api import flags
    app_env = app.env
    try:
        with app.app_context():
            flag_on = flags.is_on('no flag here')
        assert not flag_on
    except:  # pylint: disable=bare-except; # noqa: B901, E722
        # for tests we don't care
        assert False
    finally:
        app.env = app_env