Description of problem:

[root@localhost ~]# preupgrade
/usr/lib/python2.6/site-packages/yum/__init__.py:203: UserWarning: Use .preconf instead of passing args to _getConfig
  warnings.warn('Use .preconf instead of passing args to _getConfig')
Indlæste udvidelsesmoduler: blacklist, dellsysidplugin2, fastestmirror, presto,
                          : refresh-packagekit, whiteout
Detected in-progress upgrade to Fedora 12 (Constantine)
preupgrade-main (mirrorlist) 
  url: http://mirrors.fedoraproject.org/mirrorlist?repo=fedora-12&arch=$basearch
  now: http://mirrors.fedoraproject.org/mirrorlist?repo=fedora-12&arch=i386
Loading mirror speeds from cached hostfile
...
Traceback (most recent call last):
  File "/usr/share/preupgrade/preupgrade-gtk.py", line 773, in <module>
    widgets = PreUpgradeGtk()
  File "/usr/share/preupgrade/preupgrade-gtk.py", line 376, in __init__
    self._do_main()
  File "/usr/share/preupgrade/preupgrade-gtk.py", line 259, in _do_main
    self.main_preupgrade()
  File "/usr/share/preupgrade/preupgrade-gtk.py", line 436, in main_preupgrade
    download_progressbar=self.dnlProgress)
  File "/usr/lib/python2.6/site-packages/preupgrade/__init__.py", line 130, in setup
    self.complete_repo_setup()
  File "/usr/lib/python2.6/site-packages/preupgrade/__init__.py", line 328, in complete_repo_setup
    repo._grabfunc.opts.user_agent = __user_agent__
AttributeError: 'NoneType' object has no attribute 'opts'


Version-Release number of selected component (if applicable):

preupgrade-1.1.3-1.fc11.noarch