transmageddon don't start

on my suse tumbleweed with kde 4.9.2 I installed transmageddon but it gives me this error:

pla@pla-tumbleweed:~> transmageddon  Traceback (most recent call last):   File "", line 31, in <module>     from gi.repository import Notify ImportError: No module named gi.repository pla@pla-tumbleweed:~> 

in my 12.2 with kde 4.9.2 it works, is there any solution??
thnx, ciao, pier :-))