There's a merged pull request on the void-packages repository

yturl: remove package
https://github.com/void-linux/void-packages/pull/28761

Description:
Doesn't work anymore, unmaintained and unsupported since 2020. Developer advises to switch to youtube-dl.

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I've tried a lot of videos and yturl didn't seem to work for me at all. The error I got was:
`Traceback (most recent call last):
File "/usr/local/bin/yturl", line 8, in <module>
  sys.exit(main())
File "/usr/local/lib/python3.7/site-packages/yturl.py", line 147, in main
  itag_to_url_map = itags_for_video(args.video_id)
File "/usr/local/lib/python3.7/site-packages/yturl.py", line 80, in itags_for_video
  streams = api_response['url_encoded_fmt_stream_map'].split(',')
KeyError: 'url_encoded_fmt_stream_map'`

Which was not the only error that people reported in upstream, but upstream repository is archived now.