How to use the html2text.compat.urllib.urlopen function in html2text

if len(args) == 2:
        encoding = args[1]
    elif len(args) > 2:
        p.error('Too many arguments')

    if len(args) > 0 and args[0] != '-':  # pragma: no cover
        file_ = args[0]

        if file_.startswith('http://') or file_.startswith('https://'):
            warnings.warn(
                "Support for retrieving html over network is set for "
                "deprecation by version (2017, 1, x)",
                DeprecationWarning
            )
            baseurl = file_
            j = urllib.urlopen(baseurl)
            data = j.read()
            if encoding is None:
                try:
                    from feedparser import _getCharacterEncoding as enc
                except ImportError:
                    def enc(x, y):
                        return ('utf-8', 1)
                encoding = enc(j.headers, data)[0]
                if encoding == 'us-ascii':
                    encoding = 'utf-8'
        else:
            data = open(file_, 'rb').read()
            if encoding is None:
                try:
                    from chardet import detect
                except ImportError:

if len(args) == 2:
        encoding = args[1]
    elif len(args) > 2:
        p.error('Too many arguments')

    if len(args) > 0 and args[0] != '-':  # pragma: no cover
        file_ = args[0]

        if file_.startswith('http://') or file_.startswith('https://'):
            warnings.warn(
                "Support for retrieving html over network is set for "
                "deprecation by version (2017, 1, x)",
                DeprecationWarning
            )
            baseurl = file_
            j = urllib.urlopen(baseurl)
            data = j.read()
            if encoding is None:
                try:
                    from feedparser import _getCharacterEncoding as enc
                except ImportError:
                    def enc(x, y):
                        return ('utf-8', 1)
                encoding = enc(j.headers, data)[0]
                if encoding == 'us-ascii':
                    encoding = 'utf-8'
        else:
            data = open(file_, 'rb').read()
            if encoding is None:
                try:
                    from chardet import detect
                except ImportError: