youtube download doesnt work

[peterlazar1993]

youtube-dl -v https://www.youtube.com/watch?v=x7cQ3mrcKaY
[debug] System config: []
[debug] User config: []
[debug] Command-line args: [u'-v', u'https://www.youtube.com/watch?v=x7cQ3mrcKaY']
[debug] Encodings: locale UTF-8, fs utf-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2015.10.13
[debug] Git HEAD: ee13a27
[debug] Python version 2.7.10 - Darwin-15.0.0-x86_64-i386-64bit
Traceback (most recent call last):
File "/usr/local/bin/youtube-dl", line 11, in
sys.exit(main())
File "/usr/local/lib/python2.7/site-packages/youtube_dl/init.py", line 410, in main
_real_main(argv)
File "/usr/local/lib/python2.7/site-packages/youtube_dl/init.py", line 377, in _real_main
with YoutubeDL(ydl_opts) as ydl:
File "/usr/local/lib/python2.7/site-packages/youtube_dl/YoutubeDL.py", line 340, in init
self.print_debug_header()
File "/usr/local/lib/python2.7/site-packages/youtube_dl/YoutubeDL.py", line 1911, in print_debug_header
exe_versions = FFmpegPostProcessor.get_versions(self)
File "/usr/local/lib/python2.7/site-packages/youtube_dl/postprocessor/ffmpeg.py", line 51, in get_versions
return FFmpegPostProcessor(downloader)._versions
File "/usr/local/lib/python2.7/site-packages/youtube_dl/postprocessor/ffmpeg.py", line 35, in init
self._determine_executables()
File "/usr/local/lib/python2.7/site-packages/youtube_dl/postprocessor/ffmpeg.py", line 91, in _determine_executables
(p, get_exe_version(p, args=['-version'])) for p in programs)
File "/usr/local/lib/python2.7/site-packages/youtube_dl/postprocessor/ffmpeg.py", line 91, in
(p, get_exe_version(p, args=['-version'])) for p in programs)
File "/usr/local/lib/python2.7/site-packages/youtube_dl/utils.py", line 1471, in get_exe_version
stdout=subprocess.PIPE, stderr=subprocess.STDOUT).communicate()
File "/usr/local/Cellar/python/2.7.10_2/Frameworks/Python.framework/Versions/2.7/lib/python2.7/subprocess.py", line 710, in init
errread, errwrite)
File "/usr/local/Cellar/python/2.7.10_2/Frameworks/Python.framework/Versions/2.7/lib/python2.7/subprocess.py", line 1334, in _execute_child
child_exception = pickle.loads(data)
File "/usr/local/Cellar/python/2.7.10_2/Frameworks/Python.framework/Versions/2.7/lib/python2.7/pickle.py", line 1382, in loads
return Unpickler(file).load()
File "/usr/local/Cellar/python/2.7.10_2/Frameworks/Python.framework/Versions/2.7/lib/python2.7/pickle.py", line 858, in load
dispatchkey
File "/usr/local/Cellar/python/2.7.10_2/Frameworks/Python.framework/Versions/2.7/lib/python2.7/pickle.py", line 966, in load_string
raise ValueError, "insecure string pickle"
ValueError: insecure string pickle

[dstftw]

See #6840.

[peterlazar1993]

@dstftw thank you :)

[dstftw]

Close the issue if that solved your problem.

[richiecannizzo]

brew install libav
Should fix it instantly on mac or

sudo apt-get install libav
#on linux