def language_list():  # pylint: disable=unused-variable
    """Responds to /api/language_list with the supported languages.

    Returns:
      JSON for the languages.
    """
    return jsonify({
        "language": list(languages.values())
    })
Responds to /api/language_list with the supported languages.

    Returns:
      JSON for the languages.
    
tensor2tensor/insights/server.py