BachoSeven [1] filed an orphan request for shantz-xwinwrap-bzr [2]: The maintainer hasn't responded since May, and the package needs https://archlinux.org/packages/community/x86_64/python-dulwich/ in order to build, I would gladly adopt the package and fix it.
[1] https://aur.archlinux.org/account/BachoSeven/ [2] https://aur.archlinux.org/pkgbase/shantz-xwinwrap-bzr/