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Twitch Download KO : 404 error

See original GitHub issue

Checklist

[x ] I’m reporting a broken site support
[ x] I’ve verified that I’m running youtube-dl version 2021.05.16
[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 issues including closed ones

Verbose log

D:\youtube>dl.exe  -v https://clips.twitch.tv/ShyAltruisticCheeseTooSpicy-T9tbKcc01auwU1a0
[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: ['-v', 'https://clips.twitch.tv/ShyAltruisticCheeseTooSpicy-T9tbKcc01auwU1a0']
[debug] Encodings: locale cp1252, fs mbcs, out cp850, pref cp1252
[debug] youtube-dl version 2021.05.16
[debug] Python version 3.4.4 (CPython) - Windows-10-10.0.19041
[debug] exe versions: ffmpeg 4.3.2-2021-02-20-full_build-www.gyan.dev, ffprobe 4.4-essentials_build-www.gyan.dev
[debug] Proxy map: {}
[twitch:clips] ShyAltruisticCheeseTooSpicy-T9tbKcc01auwU1a0: Downloading clip GraphQL
[debug] Default format spec: bestvideo+bestaudio/best
[debug] Invoking downloader on 'https://production.assets.clips.twitchcdn.net/AT-cm%7C1190085627.mp4'
ERROR: unable to download video data: HTTP Error 404:
Traceback (most recent call last):
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp8rlhijs0\build\youtube_dl\YoutubeDL.py", line 1976, in process_info
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp8rlhijs0\build\youtube_dl\YoutubeDL.py", line 1915, in dl
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp8rlhijs0\build\youtube_dl\downloader\common.py", line 366, in download
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp8rlhijs0\build\youtube_dl\downloader\http.py", line 351, in real_download
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp8rlhijs0\build\youtube_dl\downloader\http.py", line 116, in establish_connection
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp8rlhijs0\build\youtube_dl\downloader\http.py", line 110, in establish_connection
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmp8rlhijs0\build\youtube_dl\YoutubeDL.py", line 2288, in urlopen
  File "C:\Python\Python34\lib\urllib\request.py", line 470, in open
  File "C:\Python\Python34\lib\urllib\request.py", line 580, in http_response
  File "C:\Python\Python34\lib\urllib\request.py", line 508, in error
  File "C:\Python\Python34\lib\urllib\request.py", line 442, in _call_chain
  File "C:\Python\Python34\lib\urllib\request.py", line 588, in http_error_default
urllib.error.HTTPError: HTTP Error 404: