Traceback (most recent call last):


 "/home/mficek/repos/pandas-mficek/pandas/tests/frame/bugreport.py", line 24, in <module>

assert_frame_equal(df_sorted, df_reversed)


 "/home/mficek/repos/pandas-mficek/pandas/util/testing.py", line 1363, in assert_frame_equal

obj='{0}.index'.format(obj))


 "/home/mficek/repos/pandas-mficek/pandas/util/testing.py", line 939, in assert_index_equal

obj=obj, lobj=left, robj=right)


 "pandas/_libs/testing.pyx", line 59, in pandas._libs.testing.assert_almost_equal


 "pandas/_libs/testing.pyx", line 173, in pandas._libs.testing.assert_almost_equal


 "/home/mficek/repos/pandas-mficek/pandas/util/testing.py", line 1102, in raise_assert_detail

raise AssertionError(msg)
AssertionError: DataFrame.index are different

WARNING: Automatic signature extraction failed: Traceback (most recent call last):

 "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line 957, in _decrypt_signature
video_id, player_url, len(s)

 "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line 356, in _extract_signature_function
res = self._parse_sig_js(code)

 "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line 424, in _parse_sig_js
u'Initial JS player signature function name')

 "/usr/lib/python2.7/dist-packages/youtube_dl/extractor/common.py", line 356, 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.