yan12125 [1] filed a orphan request for python33 [2]:
This package is broken and a working fix is proposed on 2016-11-03.
There are already lots complaints for the same issue, so I guess the
maintainer is not working on this package anymore.
[1] https://aur.archlinux.org/account/yan12125/
[2] https://aur.archlinux.org/pkgbase/python33/