MarsSeed [1] filed a deletion request for openai-baselines-git [2]: Upstream declared the end of active development in Oct 2019, and all maintenance stopped after Jan 2020. [a] [a]: https://github.com/openai/baselines [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/openai-baselines-git/