Emesene nao funciona

Ola pessoal do Forum
Estou tentando instala o emesene no Slackware 12.1 mas nao estou conseguindo
ele me retorna o seguinte erro

root@suporte:/var/log$ emesene
Traceback (most recent call last):
File "/usr/share/emesene/trunk/emesene/emesene", line 31, in <module>
import Controller
File "/usr/share/emesene/trunk/emesene/Controller.py", line 21, in <module>
import gtk
File "/usr/lib/python2.5/site-packages/gtk-2.0/gtk/__init__.py", line 38, in <module>
import gobject as _gobject
File "/usr/lib/python2.5/site-packages/gtk-2.0/gobject/__init__.py", line 33, in <module>
from glib import spawn_async, idle_add, timeout_add, timeout_add_seconds, \
File "/usr/lib/python2.5/site-packages/gtk-2.0/glib/__init__.py", line 30, in <module>
from glib._glib import *
ImportError: /usr/lib/python2.5/site-packages/gtk-2.0/glib/_glib.so: undefined symbol: g_assertion_message


Vlw