Traceback (most recent call last):

 "/Library/Python/2.7/site-packages/pip-1.5.4-py2.7.egg/pip/basecommand.py", line 122, in main
status = self.run(options, args)

 "/Library/Python/2.7/site-packages/pip-1.5.4-py2.7.egg/pip/commands/install.py", line 283, in run
requirement_set.install(install_options, global_options, root=options.root_path)

 "/Library/Python/2.7/site-packages/pip-1.5.4-py2.7.egg/pip/req.py", line 1435, in install
requirement.install(install_options, global_options, _args, *_kwargs)

 "/Library/Python/2.7/site-packages/pip-1.5.4-py2.7.egg/pip/req.py", line 706, in install
cwd=self.source_dir, filter_stdout=self._filter_install, show_stdout=False)

 "/Library/Python/2.7/site-packages/pip-1.5.4-py2.7.egg/pip/util.py", line 697, in call_subprocess
% (command_desc, proc.returncode, cwd))InstallationError: Command /usr/bin/python -c "import setuptools, tokenize;__file__='/private/var/folders/zt/1gcf5brn4nv8blv8bz5tq_0m0000gq/T/pip_build_natelubeck/pillow/setup.py';exec(compile(getattr(tokenize, 'open', open)(**file**).read().replace('\r\n', '\n'), **file**, 'exec'))" install --record /var/folders/zt/1gcf5brn4nv8blv8bz5tq_0m0000gq/T/pip-kHy4dE-record/install-record.txt --single-version-externally-managed --compile failed with error code 1 in /private/var/folders/zt/1gcf5brn4nv8blv8bz5tq_0m0000gq/T/pip_build_natelubeck/pillow
ERROR: Signature extraction failed: Traceback (most recent call last):


 "/home/roshke/sinusbot2/youtube-dl/youtube_dl/extractor/youtube.py", line 1221, in _decrypt_signature

video_id, player_url, s


 "/home/roshke/sinusbot2/youtube-dl/youtube_dl/extractor/youtube.py", line 1130, in _extract_signature_function

res = self._parse_sig_js(code)


 "/home/roshke/sinusbot2/youtube-dl/youtube_dl/extractor/youtube.py", line 1193, in _parse_sig_js

jscode, 'Initial JS player signature function name', group='sig')


 "/home/roshke/sinusbot2/youtube-dl/youtube_dl/extractor/common.py", line 983, 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.
