Comment # 2 on bug 1143123 from Axel Braun

(In reply to Dominique Leuenberger from comment #1)
> Please go yell loudly at upstream! Anybody using pygtkcompat in new code
> must be punished.
> 
> We dropped pygtkcompat back in:
> 
> Thu Sep 12 09:04:15 UTC 2013
> 
> - Drop pygtkcompat subpackage: the compatibility layer is no longer
>   used and causes adverse side-effects (like pulling in Gtk2,
>   which is not correctly introspectable, causing all kind of other
>   weird issues).

What are the side effects for example?
Find the upstream discussion here:
https://discuss.tryton.org/t/why-does-tryton-still-needs-pygtkcompat-library/1608