bug in extracting format from url

[ZiedJlassi]

user@labtop:~$ youtube-dl -F https://www.youtube.com/watch?v=F43HrAdKVzU --verbose
[debug] System config: []
[debug] User config: []
[debug] Command-line args: [u'-F', u'https://www.youtube.com/watch?v=F43HrAdKVzU', u'--verbose']
[debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2016.06.03
[debug] Python version 2.7.12 - Linux-4.4.0-64-generic-x86_64-with-Ubuntu-16.04-xenial
[debug] exe versions: avconv 2.8.11-0ubuntu0.16.04.1, avprobe 2.8.11-0ubuntu0.16.04.1, ffmpeg 2.8.11-0ubuntu0.16.04.1, ffprobe 2.8.11-0ubuntu0.16.04.1
[debug] Proxy map: {}
[youtube] F43HrAdKVzU: Downloading webpage
[youtube] F43HrAdKVzU: Downloading video info webpage
[youtube] F43HrAdKVzU: Extracting video information
[youtube] {22} signature length 40.40, html5 player en_US-vfl2GjLln
[youtube] F43HrAdKVzU: Downloading player /yts/jsbin/player-en_US-vfl2GjLln/base.js
ERROR: Signature extraction failed: Traceback (most recent call last):
File "/usr/local/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line 995, in _decrypt_signature
video_id, player_url, s
File "/usr/local/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line 909, in _extract_signature_function
errnote='Download of %s failed' % player_url)
File "/usr/local/lib/python2.7/dist-packages/youtube_dl/extractor/common.py", line 501, in _download_webpage
res = self._download_webpage_handle(url_or_request, video_id, note, errnote, fatal, encoding=encoding, data=data, headers=headers, query=query)
File "/usr/local/lib/python2.7/dist-packages/youtube_dl/extractor/common.py", line 408, in _download_webpage_handle
urlh = self._request_webpage(url_or_request, video_id, note, errnote, fatal, data=data, headers=headers, query=query)
File "/usr/local/lib/python2.7/dist-packages/youtube_dl/extractor/common.py", line 388, in _request_webpage
return self._downloader.urlopen(url_or_request)
File "/usr/local/lib/python2.7/dist-packages/youtube_dl/YoutubeDL.py", line 1946, in urlopen
return self._opener.open(req, timeout=self._socket_timeout)
File "/usr/lib/python2.7/urllib2.py", line 421, in open
protocol = req.get_type()
File "/usr/lib/python2.7/urllib2.py", line 283, in get_type
raise ValueError, "unknown url type: %s" % self.__original
ValueError: unknown url type: /yts/jsbin/player-en_US-vfl2GjLln/base.js
(caused by ValueError(u'unknown url type: /yts/jsbin/player-en_US-vfl2GjLln/base.js',)); 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.
Traceback (most recent call last):
File "/usr/local/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line 995, in _decrypt_signature
video_id, player_url, s
File "/usr/local/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line 909, in _extract_signature_function
errnote='Download of %s failed' % player_url)
File "/usr/local/lib/python2.7/dist-packages/youtube_dl/extractor/common.py", line 501, in _download_webpage
res = self._download_webpage_handle(url_or_request, video_id, note, errnote, fatal, encoding=encoding, data=data, headers=headers, query=query)
File "/usr/local/lib/python2.7/dist-packages/youtube_dl/extractor/common.py", line 408, in _download_webpage_handle
urlh = self._request_webpage(url_or_request, video_id, note, errnote, fatal, data=data, headers=headers, query=query)
File "/usr/local/lib/python2.7/dist-packages/youtube_dl/extractor/common.py", line 388, in _request_webpage
return self._downloader.urlopen(url_or_request)
File "/usr/local/lib/python2.7/dist-packages/youtube_dl/YoutubeDL.py", line 1946, in urlopen
return self._opener.open(req, timeout=self._socket_timeout)
File "/usr/lib/python2.7/urllib2.py", line 421, in open
protocol = req.get_type()
File "/usr/lib/python2.7/urllib2.py", line 283, in get_type
raise ValueError, "unknown url type: %s" % self.__original
ValueError: unknown url type: /yts/jsbin/player-en_US-vfl2GjLln/base.js
Traceback (most recent call last):
File "/usr/local/lib/python2.7/dist-packages/youtube_dl/YoutubeDL.py", line 676, in extract_info
ie_result = ie.extract(url)
File "/usr/local/lib/python2.7/dist-packages/youtube_dl/extractor/common.py", line 341, in extract
return self._real_extract(url)
File "/usr/local/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line 1568, in _real_extract
encrypted_sig, video_id, player_url, age_gate)
File "/usr/local/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line 1005, in _decrypt_signature
'Signature extraction failed: ' + tb, cause=e)
ExtractorError: Signature extraction failed: Traceback (most recent call last):
File "/usr/local/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line 995, in _decrypt_signature
video_id, player_url, s
File "/usr/local/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line 909, in _extract_signature_function
errnote='Download of %s failed' % player_url)
File "/usr/local/lib/python2.7/dist-packages/youtube_dl/extractor/common.py", line 501, in _download_webpage
res = self._download_webpage_handle(url_or_request, video_id, note, errnote, fatal, encoding=encoding, data=data, headers=headers, query=query)
File "/usr/local/lib/python2.7/dist-packages/youtube_dl/extractor/common.py", line 408, in _download_webpage_handle
urlh = self._request_webpage(url_or_request, video_id, note, errnote, fatal, data=data, headers=headers, query=query)
File "/usr/local/lib/python2.7/dist-packages/youtube_dl/extractor/common.py", line 388, in _request_webpage
return self._downloader.urlopen(url_or_request)
File "/usr/local/lib/python2.7/dist-packages/youtube_dl/YoutubeDL.py", line 1946, in urlopen
return self._opener.open(req, timeout=self._socket_timeout)
File "/usr/lib/python2.7/urllib2.py", line 421, in open
protocol = req.get_type()
File "/usr/lib/python2.7/urllib2.py", line 283, in get_type
raise ValueError, "unknown url type: %s" % self.__original
ValueError: unknown url type: /yts/jsbin/player-en_US-vfl2GjLln/base.js
(caused by ValueError(u'unknown url type: /yts/jsbin/player-en_US-vfl2GjLln/base.js',)); 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.

[dstftw]

You are using an outdated version of youtube-dl. Read this FAQ entry if you have troubles updating.

[ZiedJlassi]

thank you.

Problem resolved when updating.