https://github.com/yt-dlp/yt-dlp

https://news.ycombinator.com/item?id=44381640

yt-dlp --skip-download --write-sub --write-auto-sub --sub-lang en --sub-format json2 "[1]"

[TedTalk] Extracting URL: [1]

[TedTalk] luvvie_ajayi_jones_how_to_be_a_professional_troublemaker: Downloading webpage

ERROR: the JSON object must be str, bytes or bytearray, not NoneType

exit 1

[1] - full URL is: https://www.ted.com/talks/luvvie_ajayi_jones_how_to_be_a_pro...