Traceback (most recent call last):


 "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 797, in extract_info

ie_result = ie.extract(url)


 "/usr/local/bin/youtube-dl/youtube_dl/extractor/common.py", line 532, in extract

ie_result = self._real_extract(url)


 "/usr/local/bin/youtube-dl/youtube_dl/extractor/newgrounds.py", line 65, in _real_extract

r'"url"\s*:\s*("[^"]+"),', webpage, ''), media_id)


 "/usr/local/bin/youtube-dl/youtube_dl/extractor/common.py", line 1010, in _search_regex

raise RegexNotFoundError('Unable to extract %s' % _name)
RegexNotFoundError: Unable to extract ; 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.

Traceback (most recent call last):


 "train.py", line 325, in <module>

cli_main()


 "train.py", line 321, in cli_main

main(args)


 "train.py", line 46, in main

task.load_dataset(valid_sub_split, combine=False, epoch=0)


 "/home/nfliu/git/fairseq/fairseq/tasks/sentence_ranking.py", line 119, in load_dataset

src_token = ConcatSentencesDataset(input_option, input0)


 "/home/nfliu/git/fairseq/fairseq/data/concat_sentences_dataset.py", line 17, in __init__

'datasets must have the same length'
AssertionError: datasets must have the same length
