MarsSeed [1] filed a deletion request for python-matplotlib-git [2]: Unmaintained, broken VCS package from 2018. Doesn't seem useful to keep in this condition, and seeing no actual willingness by anyone to maintain it.
Repo carries the latest stable release. [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/python-matplotlib-git/
