Antiz [1] filed a deletion request for python-pillow-avif-plugin [2]: Moved to [extra] (as a new optional dependency for azote)
https://archlinux.org/packages/extra-testing/x86_64/python-pillow- avif-plugin/ [1] https://aur.archlinux.org/account/Antiz/ [2] https://aur.archlinux.org/pkgbase/python-pillow-avif-plugin/