def strip_param_name(param_name: str) -> str:
    """Input an module's param name, return it's origin name with out parent modules' name

    Args:
        param_name (str): parameter name with it's parent module prefix

    Returns:
        Param's origin name
    """
    splits = param_name.rsplit('.', maxsplit=2)
    return '.'.join(splits[-2:])