def METHOD_NAME(context: FileDataContext) -> None:
    uncommitted_dir = os.path.join(  # noqa: PTH118
        context.root_directory, context.GX_UNCOMMITTED_DIR
    )
    expected_notebook = os.path.join(  # noqa: PTH118
        uncommitted_dir, "datasource_new.ipynb"
    )
    with open(expected_notebook) as f:
        nb = nbformat.read(f, as_version=4)
    ep = ExecutePreprocessor(timeout=60, kernel_name="python3")
    ep.preprocess(nb, {"metadata": {"path": uncommitted_dir}})