def METHOD_NAME() -> None:
    for file in os.listdir(os.path.join(buc.bokehjs_dir, "js")):
        if file.endswith('.json'):
            with open(os.path.join(buc.bokehjs_dir, "js", file), encoding="utf-8") as f:
                assert all('\\' not in mod for mod in json.load(f))