jarpiii@localhost ~$ youtube-dl --list-format https://www.youtube.com/watch?v=YUiVIPgJA
YUiVIPgJA0o: Downloading webpage
YUiVIPgJA0o: Extracting video information
YUiVIPgJA0o: Downloading js player vfl19kCnd
ERROR: Signature extraction failed: Traceback (most recent call last):
File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 571, in _decrypt_signature
video_id, player_url, s
File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 485, in _extract_signature_function
res = self._parse_sig_js(code)
File "/usr/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 546, in _parse_sig_js
'Initial JS player signature function name')
File "/usr/bin/youtube-dl/youtube_dl/extractor/common.py", line 484, in _search_regex
raise RegexNotFoundError('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 . Make sure you are using the latest version; type youtube-dl -U to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.
(caused by RegexNotFoundError(u'Unable to extract \x1b[0;34mInitial JS player signature function name\x1b[0m; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type youtube-dl -U to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.',)); please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type youtube-dl -U to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.