[pygtk] key_release_event of the mod1 ("alt") key does not work

[Martin.Zohlhuber at tttech.com]

Hello 
I want select first item of the menubar, if "Alt" (in gtk named mod1; i do 
not mean Alt Gr) released. I connect the key-release-event and it  work 
for all other keys, but not for Mod1. For Mod1 i get only the keypressed 
event. 

Maybe helpfull information: 
I am a Windows 2k user with german windows keyboard. 
Python 2.3.0
GTK 2.2.4
PyGTK 2.0


martin