def urlopen(url, data=None, proxies=None):
    """Create a file-like object for the specified URL to read from."""
    from warnings import warnpy3k
    warnpy3k("urllib.urlopen() has been removed in Python 3.0 in "
             "favor of urllib2.urlopen()", stacklevel=2)

    global _urlopener
    if proxies is not None:
        opener = FancyURLopener(proxies=proxies)
    elif not _urlopener:
        opener = FancyURLopener()
        _urlopener = opener
    else:
        opener = _urlopener
    if data == None:
        return opener.open(url)
    else:
        return opener.open(url, data)
dataset/ETHPy150Open kleientertainment/ds_mod_tools/pkg/win32/Python27/Lib/urllib.py/urlopen/operator `is` -> `==`