Traceback (most recent call last):

 "/usr/local/bin/youtube-dl/youtube_dl/extractor/generic.py", line 651, in _real_extract
doc = parse_xml(webpage)

 "/usr/local/bin/youtube-dl/youtube_dl/utils.py", line 1425, in parse_xml
tree = xml.etree.ElementTree.XML(s.encode('utf-8'), **kwargs)

 "/usr/lib/python2.7/xml/etree/ElementTree.py", line 1300, in XML
parser.feed(text)

 "/usr/lib/python2.7/xml/etree/ElementTree.py", line 1642, in feed
self._raiseerror(v)

 "/usr/lib/python2.7/xml/etree/ElementTree.py", line 1506, in _raiseerror
raise errParseError: syntax error: line 1, column 0
Traceback (most recent call last):


 "/usr/lib64/python3.6/wsgiref/handlers.py", line 141, in run

self.handle_error()


 "/usr/lib64/python3.6/wsgiref/handlers.py", line 368, in handle_error

self.finish_response()


 "/usr/lib64/python3.6/wsgiref/handlers.py", line 180, in finish_response

self.write(data)


 "/usr/lib64/python3.6/wsgiref/handlers.py", line 274, in write

self.send_headers()


 "/usr/lib64/python3.6/wsgiref/handlers.py", line 331, in send_headers

if not self.origin_server or self.client_is_modern():


 "/usr/lib64/python3.6/wsgiref/handlers.py", line 344, in client_is_modern

return self.environ['SERVER_PROTOCOL'].upper() != 'HTTP/0.9'
TypeError: 'NoneType' object is not subscriptable
