Description of problem:

Problem is really simple, just launch pirut and this one crash.

Steps to Reproduce:
1. Start pirut
2. Enter your root password
3. This one crash
  
stack trace:

Component: Software Manager
Summary: TBe50a4c40 GroupSelector.py:329:_populateGroups:NameError: global name
'get_pix' is not defined

Traceback (most recent call last):
  File "/usr/lib/python2.4/site-packages/pirut/GroupSelector.py", line 318, in
_categorySelected
    self._populateGroups(cat.groups, fbpix)
  File "/usr/lib/python2.4/site-packages/pirut/GroupSelector.py", line 329, in
_populateGroups
    pix = get_pix(fn)
NameError: global name 'get_pix' is not defined

Local variables in innermost frame:
grp: GNOME Desktop Environment
defaultpix: <gtk.gdk.Pixbuf object (GdkPixbuf) at 0xb6c8389c>
self: <pirut.GroupSelector.GroupSelector instance at 0xb70b282c>
s: <span size="large" weight="bold">Environnement de bureau GNOME</span>
groups: ['gnome-desktop', 'xfce-desktop', 'kde-desktop']
grps: [<yum.comps.Group object at 0xb70d3e6c>, <yum.comps.Group object at
0xb706cc4c>, <yum.comps.Group object at 0xb706caec>]
fn: /usr/share/pixmaps/comps/gnome-desktop.png