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[YouTube] Unable to extract JS player URL

See original GitHub issue

Checklist

[x ] I’m reporting a broken site support issue
[x ] I’ve verified that I’m running youtube-dlc version 2020.10.24
[x ] I’ve checked that all provided URLs are alive and playable in a browser
[x ] I’ve checked that all URLs and arguments with special characters are properly quoted or escaped
[x ] I’ve searched the bugtracker for similar bug reports including closed ones
[x ] I’ve read bugs section in FAQ

Verbose log

[Download] Debug: [youtube] dX3k_QDnzHE: Downloading webpage
[Download] Debug: [youtube] dX3k_QDnzHE: Downloading embed webpage
[Download] Error: ERROR: Unable to extract JS player URL; 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-dlc with the --verbose flag and include its complete output.
[Download] Error: Traceback (most recent call last):
  File "/usr/local/lib/python3.6/dist-packages/youtube_dlc/YoutubeDL.py", line 830, in extract_info
    ie_result = ie.extract(url)
  File "/usr/local/lib/python3.6/dist-packages/youtube_dlc/extractor/common.py", line 532, in extract
    ie_result = self._real_extract(url)
  File "/usr/local/lib/python3.6/dist-packages/youtube_dlc/extractor/youtube.py", line 2050, in _real_extract
    ASSETS_RE, embed_webpage, 'JS player URL')
  File "/usr/local/lib/python3.6/dist-packages/youtube_dlc/extractor/common.py", line 1010, in _search_regex
    raise RegexNotFoundError('Unable to extract %s' % _name)
youtube_dlc.utils.RegexNotFoundError: Unable to extract JS player URL; 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-dlc with the --verbose flag and include its complete output.

Description

This issue is happening around 2-3% of the time when downloading some Videos. This is one of the Videos (https://youtu.be/dX3k_QDnzHE), I am using yt-dlc in python embedded and not as a command line tool. I tried to make it as verbose as possible. If you need more info, just let me know.

As this issue is only happening sometimes, I know this is extremely hard to reproduce and fix, but maybe other people are experiencing this issue too and can share their experience with said issue.

If you need any more info, let me know