Comment 3 for bug 923824

dbus/activity.py is the only module that imports gtk libs. The module could be hacked to work with both gtk2 and gtk3. This hack solves the issues I see in precise and oneiric.

=== modified file 'activity.py'
--- activity.py 2008-02-13 00:29:52 +0000
+++ activity.py 2012-01-31 16:29:03 +0000
@@ -26,7 +26,10 @@
 import time

 import dbus.service
-import gobject
+try:
+ from gi.repository import GObject as gobject
+except ImportError:
+ import gobject

 from bzrlib.plugins.dbus import mapper
 from bzrlib.revision import NULL_REVISION
@@ -116,7 +119,6 @@
         # make a non-blocking call, which we can then ignore as we dont
         # care about responses: Apparently there is some dbus foo to help
         # make this not need the stub function
- import gobject
         mainloop = gobject.MainLoop()
         def handle_reply():
             # quit our loop.