def groups_option(f):
    new_func = click.option("-g", "--groups",
                            help="Comma-separated list of requirement groups "
                            "to include.")(f)
    return update_wrapper(new_func, f)
def __init__(self, root_path: str, defaults: t.Optional[dict] = None) -> None:
        dict.__init__(self, defaults or {})
        self.root_path = root_path