TrialnError [1] filed a deletion request for python-poppler-qt4 [2]: Unmaintained and the dep poppler-qt4 got removed/never appeared on the AUR. An alternative/replacement in form of python-poppler-qt5 exists. Sooo.. drop it?
[1] https://aur.archlinux.org/account/TrialnError/ [2] https://aur.archlinux.org/pkgbase/python-poppler-qt4/