MarsSeed [1] filed a deletion request for python2-qt4reactor [2]: Orphaned package, last updated in 2017. Legacy Python 2 integration to legacy Qt4 for Twisted. No maintained package depends on it; pyrf-git has been discontinued in 2019 and its successor is Python 3 based. [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/python2-qt4reactor/