kartikmohta [1] filed a deletion request for python-trollius [2]: From the official docs, Trollius works on Python 2.7, 3.3 and 3.4. The docs also mention that "The Trollius project is now deprecated!", so doesn't seem useful to keep this old package around. [1] https://aur.archlinux.org/account/kartikmohta/ [2] https://aur.archlinux.org/pkgbase/python-trollius/