Traceback (most recent call last):

 "threading.pyo", line 551, in __bootstrap_inner

 "cherrypy\process\plugins.pyo", line 475, in run

 "cherrypy\process\plugins.pyo", line 600, in run

 "cherrypy\process\plugins.pyo", line 591, in sysfiles

 "email\__init__.pyo", line 79, in __getattr__ImportError: No module named message
Traceback (most recent call last):

 "/usr/lib64/python2.7/site-packages/youtube_dl/YoutubeDL.py", line 592, in extract_info
ie_result = ie.extract(url)

 "/usr/lib64/python2.7/site-packages/youtube_dl/extractor/common.py", line 243, in extract
return self._real_extract(url)

 "/usr/lib64/python2.7/site-packages/youtube_dl/extractor/xtube.py", line 58, in _real_extract
r'playerQualityOption = ({.+?});', webpage, 'player quality option'))

 "/usr/lib64/python2.7/site-packages/youtube_dl/extractor/common.py", line 499, in _html_search_regex
res = self._search_regex(pattern, string, name, default, fatal, flags, group)

 "/usr/lib64/python2.7/site-packages/youtube_dl/extractor/common.py", line 489, in _search_regex
raise RegexNotFoundError('Unable to extract %s' % _name)RegexNotFoundError: Unable to extract player quality option; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; see
https://yt-dl.org/update
on how to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.