eolianoe [1] filed a deletion request for gvim-python3-noconflict [2]: extra/gvim now supports both python3 and python2, this package seems no more needed
[1] https://aur.archlinux.org/account/eolianoe/ [2] https://aur.archlinux.org/pkgbase/gvim-python3-noconflict/
