WARNING: Automatic signature extraction failed: Traceback (most recent call last):

 "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line 957, in _decrypt_signature
video_id, player_url, len(s)

 "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line 356, in _extract_signature_function
res = self._parse_sig_js(code)

 "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line 424, in _parse_sig_js
u'Initial JS player signature function name')

 "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/common.py", line 356, in _search_regex
raise RegexNotFoundError(u'Unable to extract %s' % _name)RegexNotFoundError: Unable to extract Initial JS player signature function name; please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete output. Make sure you are using the latest version; type
youtube-dl -U
to update.
Traceback (most recent call last):


 "/home/gregm/.pyenv/versions/3.6.1/lib/python3.6/site-packages/gunicorn/arbiter.py", line 578, in spawn_worker

worker.init_process()


 "/home/gregm/.pyenv/versions/3.6.1/lib/python3.6/site-packages/sanic/worker.py", line 40, in init_process

super().init_process()


 "/home/gregm/.pyenv/versions/3.6.1/lib/python3.6/site-packages/gunicorn/workers/base.py", line 131, in init_process

self.run()


 "/home/gregm/.pyenv/versions/3.6.1/lib/python3.6/site-packages/sanic/worker.py", line 62, in run

self.loop.run_until_complete(self._runner)


 "uvloop/loop.pyx", line 1203, in uvloop.loop.Loop.run_until_complete (uvloop/loop.c:25632)


 "/home/gregm/.pyenv/versions/3.6.1/lib/python3.6/site-packages/sanic/worker.py", line 101, in _run

**self._server_settings
TypeError: serve() got multiple values for keyword argument 'signal'
