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 test_impl(n):
            df = pd.DataFrame({'A': np.arange(0, n, 1, np.int32)})
            return df.A.quantile(.25)