bitcoinlizard [1] filed a deletion request for specter-desktop [2]: Upstream is barely working on this package. It doesn't support current versions of Python. I haven't been able to get it to run correctly since some time early last year. I think it's best to delete it.
[1] https://aur.archlinux.org/account/bitcoinlizard/ [2] https://aur.archlinux.org/pkgbase/specter-desktop/
