Traceback (most recent call last):

 "/Users/jlong/homebrew/Cellar/python3/3.5.1/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/matplotlib/backends/tkagg.py", line 22, in blit
id(data), colormode, id(bbox_array))_tkinter.TclError: invalid command name "PyAggImagePhoto"
ERROR: Signature extraction failed: Traceback (most recent call last):


 "/usr/lib64/python3.4/site-packages/youtube_dl/extractor/youtube.py", line 1081, in _decrypt_signature

video_id, player_url, s


 "/usr/lib64/python3.4/site-packages/youtube_dl/extractor/youtube.py", line 969, in _extract_signature_function

raise ExtractorError('Cannot identify player %r' % player_url)
youtube_dl.utils.ExtractorError: Cannot identify player 'https://www.youtube.com/yts/jsbin/player-vflppxuSE/en_US/base.js'; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; see
https://yt-dl.org/update
on how to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.
