Traceback (most recent call last):


 "<stdin>", line 1, in <module>


 "nltk/tokenize/treebank.py", line 198, in span_tokenize

for tok in align_tokens(tokens, text):


 "nltk/tokenize/util.py", line 258, in align_tokens

raise ValueError('substring "{}" not found in "{}"'.format(token, sentence))
ValueError: substring "''" not found in "''good muffins""

Traceback (most recent call last):


 "/home/user/.local/lib/python3.7/site-packages/youtube_dl/YoutubeDL.py", line 796, in extract_info

ie_result = ie.extract(url)


 "/home/user/.local/lib/python3.7/site-packages/youtube_dl/extractor/common.py", line 530, in extract

ie_result = self._real_extract(url)


 "/home/user/.local/lib/python3.7/site-packages/youtube_dl/extractor/vimeo.py", line 653, in _real_extract

config = self._verify_player_video_password(redirect_url, video_id, headers)


 "/home/user/.local/lib/python3.7/site-packages/youtube_dl/extractor/vimeo.py", line 526, in _verify_player_video_password

raise ExtractorError('This video is protected by a password, use the --video-password option')
youtube_dl.utils.ExtractorError: This video is protected by a password, use the --video-password option; 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.
