ilovemikael [1] filed a deletion request for python-pdm-pep517 [2]: See top comment; package no longer serves a purpose. The four dependencies of this are likely outdated as well.
[1] https://aur.archlinux.org/account/ilovemikael/ [2] https://aur.archlinux.org/pkgbase/python-pdm-pep517/
