Normal Youtube download... HTTPError: HTTP Error 403: Forbidden; RegexNotFoundError: Unable to extract Initial JS player signature function name

[chartpath]

version = 2014.06.16

bash$ youtube-dl https://www.youtube.com/watch?v=GzX68Nsw1DE --verbose

[debug] System config: []
[debug] User config: []
[debug] Command-line args: ['https://www.youtube.com/watch?v=GzX68Nsw1DE', '--verbose']
[debug] Encodings: locale UTF-8, fs utf-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2014.06.16
[debug] Git HEAD: 35010af
[debug] Python version 2.7.5 - Darwin-13.2.0-x86_64-i386-64bit
[debug] Proxy map: {}
[youtube] Setting language
[youtube] GzX68Nsw1DE: Downloading webpage
[youtube] GzX68Nsw1DE: Downloading video info webpage
[youtube] GzX68Nsw1DE: Extracting video information
[youtube] GzX68Nsw1DE: Encrypted signatures detected.
[youtube] encrypted signature length 82 (41.40), itag 43, html5 player en_US-vflazPBMd
[youtube] GzX68Nsw1DE: Downloading js player vflazPBMd

WARNING: Warning: Falling back to static signature algorithm
[youtube] GzX68Nsw1DE: Downloading js player vflazPBMd
WARNING: Automatic signature extraction failed: Traceback (most recent call last):
File "/usr/local/opt/pyenv/versions/2.7.5/lib/python2.7/site-packages/youtube_dl/extractor/youtube.py", line 874, in _decrypt_signature
video_id, player_url, len(s)
File "/usr/local/opt/pyenv/versions/2.7.5/lib/python2.7/site-packages/youtube_dl/extractor/youtube.py", line 376, in _extract_signature_function
res = self._parse_sig_js(code)
File "/usr/local/opt/pyenv/versions/2.7.5/lib/python2.7/site-packages/youtube_dl/extractor/youtube.py", line 444, in _parse_sig_js
u'Initial JS player signature function name')
File "/usr/local/opt/pyenv/versions/2.7.5/lib/python2.7/site-packages/youtube_dl/extractor/common.py", line 383, 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.

WARNING: Warning: Falling back to static signature algorithm
ERROR: unable to download video data: HTTP Error 403: Forbidden

[jaimeMF]

Duplicate of #3104. Thanks for the report.