def read(*parts):
    """
    Build an absolute path from *parts* and and return the contents of the
    resulting file.  Assume UTF-8 encoding.
    """
    with codecs.open(os.path.join(HERE, *parts), "rb", "utf-8") as f:
        return f.read()
def test_impl(n):
            df = pd.DataFrame({'A': np.arange(0, n, 1, np.int32)})
            return df.A.quantile(.25)