camio [1] filed a deletion request for python-libclang [2]:
I think this should be removed now that python 3 support has been integrated into clang. See https://bugs.archlinux.org/task/55161 which tracks the proper installation into the python 3 directories.
[1] https://aur.archlinux.org/account/camio/ [2] https://aur.archlinux.org/pkgbase/python-libclang/