def get_package_url(cls, package, session=None, silent=False):
        response = get("{}/packages/{}".format(cls.bower_base_uri, package))
        return response.json().get("url", None)
def test_impl(n):
            df = pd.DataFrame({'A': np.arange(0, n, 1, np.float64)})
            return df.A.quantile(.25)