MarsSeed [1] filed a deletion request for python-toml-git [2]: Upstream is not maintained since 2023. [a]
This PKGBUILD's check() was already failing in Jan 2024 (see my comment). 0 votes / popularity or explicit reverse dependencies. At this point I think it's enough to keep [extra] repo's stable python-toml. [a]: https://github.com/uiri/toml [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/python-toml-git/