Gajim does not run with Python3
Bug description
It does not runn.
Steps to reproduce
install python3 and try it
Software versions
OS version: Arch Linux, 2.6.35.7
GTK version: 2.22.0-4
PyGTK version: 2.22.0-2
Python version: python2 2.7-1 python3 3.1.2-4