def get_setting(key):
    """
    Get setting values from CONF_FILE
    :param key:
    :return:
    """
    try:
        with open(CONF_FILE) as cf:
            settings = json.load(cf)
    except __HOLE__:
        return None
    if key in settings.keys():
        return settings[key]
    return None    # pragma: no cover
dataset/ETHPy150Open dwighthubbard/hostlists/hostlists/hostlists.py/get_setting