[Sohu] sohu.py exists, but getting Unsupported URL error

[someziggyman]

Checklist

• I'm reporting a broken site support
• I've verified that I'm running youtube-dl version 2021.04.26
• I've checked that all provided URLs are alive and playable in a browser
• I've checked that all URLs and arguments with special characters are properly quoted or escaped
• I've searched the bugtracker for similar issues including closed ones

Verbose log

youtube-dl -v -F https://tv.sohu.com/v/dXMvNTAyMjA5MTMvNjg1NjIyNTYuc2h0bWw=.html?src=pl
[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: [u'-v', u'-F', u'https://tv.sohu.com/v/dXMvNTAyMjA5MTMvNjg1NjIyNTYuc2h0bWw=.html?src=pl']
[debug] Encodings: locale UTF-8, fs utf-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2021.04.26
[debug] Python version 2.7.16 (CPython) - Darwin-20.4.0-x86_64-i386-64bit
[debug] exe versions: none
[debug] Proxy map: {}
[generic] dXMvNTAyMjA5MTMvNjg1NjIyNTYuc2h0bWw=: Requesting header
WARNING: Falling back on generic information extractor.
[generic] dXMvNTAyMjA5MTMvNjg1NjIyNTYuc2h0bWw=: Downloading webpage
[generic] dXMvNTAyMjA5MTMvNjg1NjIyNTYuc2h0bWw=: Extracting information
ERROR: Unsupported URL: https://tv.sohu.com/v/dXMvNTAyMjA5MTMvNjg1NjIyNTYuc2h0bWw=.html?src=pl
Traceback (most recent call last):
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/generic.py", line 2497, in _real_extract
    doc = compat_etree_fromstring(webpage.encode('utf-8'))
  File "/usr/local/bin/youtube-dl/youtube_dl/compat.py", line 2571, in compat_etree_fromstring
    doc = _XML(text, parser=etree.XMLParser(target=_TreeBuilder(element_factory=_element_factory)))
  File "/usr/local/bin/youtube-dl/youtube_dl/compat.py", line 2560, in _XML
    parser.feed(text)
  File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/xml/etree/ElementTree.py", line 1659, in feed
    self._raiseerror(v)
  File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/xml/etree/ElementTree.py", line 1523, in _raiseerror
    raise err
ParseError: not well-formed (invalid token): line 45, column 136
Traceback (most recent call last):
  File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 806, in wrapper
    return func(self, *args, **kwargs)
  File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 827, in __extract_info
    ie_result = ie.extract(url)
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/common.py", line 534, in extract
    ie_result = self._real_extract(url)
  File "/usr/local/bin/youtube-dl/youtube_dl/extractor/generic.py", line 3506, in _real_extract
    raise UnsupportedError(url)
UnsupportedError: Unsupported URL: https://tv.sohu.com/v/dXMvNTAyMjA5MTMvNjg1NjIyNTYuc2h0bWw=.html?src=pl

Description

Even though Sohu.py is present, for some reason ytdl fails to extract data with ERROR: Unsupported URL.
Or I'm I confusing sohu.py with some other website?

Test link:
https://tv.sohu.com/v/dXMvNTAyMjA5MTMvNjg1NjIyNTYuc2h0bWw=.html