Hi Pierre!

> Thanks!  Sadly your patch does not fix the issue for me.
> 
> You can reproduce with
> 
> --8<---------------cut here---------------start------------->8---
> ./pre-inst-env guix environment --pure --ad-hoc blueman -- blueman-tray
> --8<---------------cut here---------------end--------------->8---
> 
> I had a quick look at the package definition: it's a
> glib-or-gtk-build-system but the package is in python, so you need to
> set the PYTHONPATH manually I think.  Look at the other GNOME package
> written in Python, my guess is that it's the same thing.

Thanks! I was able to fix "gi" error. But "No module 'blueman', I could not
fix. Any ideas?

I have attached a new patch.

Regards,
RG.