def METHOD_NAME():
    empty_ens_conf = EnsembleConfig()
    conf_from_dict = EnsembleConfig.from_dict({})
    assert empty_ens_conf == conf_from_dict
    assert conf_from_dict.grid_file is None
    assert not conf_from_dict.parameters
    assert "XYZ" not in conf_from_dict
    with pytest.raises(KeyError):
        _ = conf_from_dict["KEY"]