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Make sure you are using the latest version: run youtube-dl --version and ensure your version is 2017.03.26. If it's not read this FAQ entry and update. Issues with outdated version will be rejected.

• I've verified and I assure that I'm running youtube-dl 2017.03.26

Before submitting an issue make sure you have:

• At least skimmed through README and most notably FAQ and BUGS sections
• Searched the bugtracker for similar issues including closed ones

What is the purpose of your issue?

• Bug report (encountered problems with youtube-dl)
• Site support request (request for adding support for a new site)
• Feature request (request for a new functionality)
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ERROR: Signature extraction failed: Traceback (most recent call last):
File "/Users/colsen/anaconda/lib/python3.5/site-packages/youtube_dl/extractor/youtube.py", line 987, in _decrypt_signature
video_id, player_url, s
File "/Users/colsen/anaconda/lib/python3.5/site-packages/youtube_dl/extractor/youtube.py", line 901, in _extract_signature_function
errnote='Download of %s failed' % player_url)
File "/Users/colsen/anaconda/lib/python3.5/site-packages/youtube_dl/extractor/common.py", line 507, 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 "/Users/colsen/anaconda/lib/python3.5/site-packages/youtube_dl/extractor/common.py", line 414, in _download_webpage_handle
urlh = self._request_webpage(url_or_request, video_id, note, errnote, fatal, data=data, headers=headers, query=query)
File "/Users/colsen/anaconda/lib/python3.5/site-packages/youtube_dl/extractor/common.py", line 394, in _request_webpage
return self._downloader.urlopen(url_or_request)
File "/Users/colsen/anaconda/lib/python3.5/site-packages/youtube_dl/YoutubeDL.py", line 1997, in urlopen
req = sanitized_Request(req)
File "/Users/colsen/anaconda/lib/python3.5/site-packages/youtube_dl/utils.py", line 501, in sanitized_Request
return compat_urllib_request.Request(sanitize_url(url), *args, **kwargs)
File "/Users/colsen/anaconda/lib/python3.5/urllib/request.py", line 269, in init
self.full_url = url
File "/Users/colsen/anaconda/lib/python3.5/urllib/request.py", line 295, in full_url
self._parse()
File "/Users/colsen/anaconda/lib/python3.5/urllib/request.py", line 324, in _parse
raise ValueError("unknown url type: %r" % self.full_url)
ValueError: unknown url type: '/yts/jsbin/player-en_US-vflEzRdnB/base.js'
(caused by ValueError("unknown url type: '/yts/jsbin/player-en_US-vflEzRdnB/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 "/Users/colsen/anaconda/lib/python3.5/site-packages/youtube_dl/extractor/youtube.py", line 987, in _decrypt_signature
video_id, player_url, s
File "/Users/colsen/anaconda/lib/python3.5/site-packages/youtube_dl/extractor/youtube.py", line 901, in _extract_signature_function
errnote='Download of %s failed' % player_url)
File "/Users/colsen/anaconda/lib/python3.5/site-packages/youtube_dl/extractor/common.py", line 507, 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 "/Users/colsen/anaconda/lib/python3.5/site-packages/youtube_dl/extractor/common.py", line 414, in _download_webpage_handle
urlh = self._request_webpage(url_or_request, video_id, note, errnote, fatal, data=data, headers=headers, query=query)
File "/Users/colsen/anaconda/lib/python3.5/site-packages/youtube_dl/extractor/common.py", line 394, in _request_webpage
return self._downloader.urlopen(url_or_request)
File "/Users/colsen/anaconda/lib/python3.5/site-packages/youtube_dl/YoutubeDL.py", line 1997, in urlopen
req = sanitized_Request(req)
File "/Users/colsen/anaconda/lib/python3.5/site-packages/youtube_dl/utils.py", line 501, in sanitized_Request
return compat_urllib_request.Request(sanitize_url(url), *args, **kwargs)
File "/Users/colsen/anaconda/lib/python3.5/urllib/request.py", line 269, in init
self.full_url = url
File "/Users/colsen/anaconda/lib/python3.5/urllib/request.py", line 295, in full_url
self._parse()
File "/Users/colsen/anaconda/lib/python3.5/urllib/request.py", line 324, in _parse
raise ValueError("unknown url type: %r" % self.full_url)
ValueError: unknown url type: '/yts/jsbin/player-en_US-vflEzRdnB/base.js'
Traceback (most recent call last):
File "/Users/colsen/anaconda/lib/python3.5/site-packages/youtube_dl/extractor/youtube.py", line 987, in _decrypt_signature
video_id, player_url, s
File "/Users/colsen/anaconda/lib/python3.5/site-packages/youtube_dl/extractor/youtube.py", line 901, in _extract_signature_function
errnote='Download of %s failed' % player_url)
File "/Users/colsen/anaconda/lib/python3.5/site-packages/youtube_dl/extractor/common.py", line 507, 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 "/Users/colsen/anaconda/lib/python3.5/site-packages/youtube_dl/extractor/common.py", line 414, in _download_webpage_handle
urlh = self._request_webpage(url_or_request, video_id, note, errnote, fatal, data=data, headers=headers, query=query)
File "/Users/colsen/anaconda/lib/python3.5/site-packages/youtube_dl/extractor/common.py", line 394, in _request_webpage
return self._downloader.urlopen(url_or_request)
File "/Users/colsen/anaconda/lib/python3.5/site-packages/youtube_dl/YoutubeDL.py", line 1997, in urlopen
req = sanitized_Request(req)
File "/Users/colsen/anaconda/lib/python3.5/site-packages/youtube_dl/utils.py", line 501, in sanitized_Request
return compat_urllib_request.Request(sanitize_url(url), *args, **kwargs)
File "/Users/colsen/anaconda/lib/python3.5/urllib/request.py", line 269, in init
self.full_url = url
File "/Users/colsen/anaconda/lib/python3.5/urllib/request.py", line 295, in full_url
self._parse()
File "/Users/colsen/anaconda/lib/python3.5/urllib/request.py", line 324, in _parse
raise ValueError("unknown url type: %r" % self.full_url)
ValueError: unknown url type: '/yts/jsbin/player-en_US-vflEzRdnB/base.js'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "/Users/colsen/anaconda/lib/python3.5/site-packages/youtube_dl/YoutubeDL.py", line 691, in extract_info
ie_result = ie.extract(url)
File "/Users/colsen/anaconda/lib/python3.5/site-packages/youtube_dl/extractor/common.py", line 347, in extract
return self._real_extract(url)
File "/Users/colsen/anaconda/lib/python3.5/site-packages/youtube_dl/extractor/youtube.py", line 1560, in _real_extract
encrypted_sig, video_id, player_url, age_gate)
File "/Users/colsen/anaconda/lib/python3.5/site-packages/youtube_dl/extractor/youtube.py", line 997, in _decrypt_signature
'Signature extraction failed: ' + tb, cause=e)
youtube_dl.utils.ExtractorError: Signature extraction failed: Traceback (most recent call last):
File "/Users/colsen/anaconda/lib/python3.5/site-packages/youtube_dl/extractor/youtube.py", line 987, in _decrypt_signature
video_id, player_url, s
File "/Users/colsen/anaconda/lib/python3.5/site-packages/youtube_dl/extractor/youtube.py", line 901, in _extract_signature_function
errnote='Download of %s failed' % player_url)
File "/Users/colsen/anaconda/lib/python3.5/site-packages/youtube_dl/extractor/common.py", line 507, 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 "/Users/colsen/anaconda/lib/python3.5/site-packages/youtube_dl/extractor/common.py", line 414, in _download_webpage_handle
urlh = self._request_webpage(url_or_request, video_id, note, errnote, fatal, data=data, headers=headers, query=query)
File "/Users/colsen/anaconda/lib/python3.5/site-packages/youtube_dl/extractor/common.py", line 394, in _request_webpage
return self._downloader.urlopen(url_or_request)
File "/Users/colsen/anaconda/lib/python3.5/site-packages/youtube_dl/YoutubeDL.py", line 1997, in urlopen
req = sanitized_Request(req)
File "/Users/colsen/anaconda/lib/python3.5/site-packages/youtube_dl/utils.py", line 501, in sanitized_Request
return compat_urllib_request.Request(sanitize_url(url), *args, **kwargs)
File "/Users/colsen/anaconda/lib/python3.5/urllib/request.py", line 269, in init
self.full_url = url
File "/Users/colsen/anaconda/lib/python3.5/urllib/request.py", line 295, in full_url
self._parse()
File "/Users/colsen/anaconda/lib/python3.5/urllib/request.py", line 324, in _parse
raise ValueError("unknown url type: %r" % self.full_url)
ValueError: unknown url type: '/yts/jsbin/player-en_US-vflEzRdnB/base.js'
(caused by ValueError("unknown url type: '/yts/jsbin/player-en_US-vflEzRdnB/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.