ERROR: Signature extraction failed: Traceback (most recent call last):

 "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line 479, in _decrypt_signature
video_id, player_url, s

 "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line 383, in _extract_signature_function
res = self._parse_sig_js(code)

 "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line 454, in _parse_sig_js
u'Initial JS player signature function name')

 "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/common.py", line 391, 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.
[autoreload of pandas.io.formats.format failed: Traceback (most recent call last):


 "/Users/sentient-asoellinger/miniconda2/envs/ipykernel_py3/lib/python3.6/site-packages/IPython/extensions/autoreload.py", line 246, in check

superreload(m, reload, self.old_objects)


 "/Users/sentient-asoellinger/miniconda2/envs/ipykernel_py3/lib/python3.6/site-packages/IPython/extensions/autoreload.py", line 369, in superreload

module = reload(module)


 "/Users/sentient-asoellinger/miniconda2/envs/ipykernel_py3/lib/python3.6/imp.py", line 315, in reload

return importlib.reload(module)


 "/Users/sentient-asoellinger/miniconda2/envs/ipykernel_py3/lib/python3.6/importlib/__init__.py", line 166, in reload

_bootstrap._exec(spec, module)


 "<frozen importlib._bootstrap>", line 618, in _exec


 "<frozen importlib._bootstrap_external>", line 678, in exec_module


 "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed


 "/Users/sentient-asoellinger/miniconda2/envs/ipykernel_py3/lib/python3.6/site-packages/pandas/io/formats/format.py", line 27, in <module>

import pandas.core.common as com
AttributeError: module 'pandas.core' has no attribute 'common'
