import inspect


def get_required_kw_args(func):
    """
    Get parameter that don't have default value
    """
    args = []
    params = inspect.signature(func).parameters
    for name, param in params.items():
        if param.kind == inspect.Parameter.KEYWORD_ONLY and param.default == inspect.Parameter.empty:
            args.append(name)
    return tuple(args)