def METHOD_NAME():
    modified = python_to_json({"hello": ["world"]})
    modified["v"] = -123456
    assert isinstance(modified["data"]["hello"], list)
    with pytest.raises(ValueError, match="Unexpected version"):
        json_to_python(modified)
    with pytest.raises(ValueError, match="Unexpected version"):
        _js2py(modified["data"], {}, modified["v"])