Fedora C5 Software f. program hiba?

Kénne egy kis segitség ezt irja ki a sofware frissitő progi amikor el
szeretném inditani. És nem indul. Ha valaki már találkozot ilyennel és
tudna segiteni az jó lenne.

An unhandled exception has occurred. This is most likely a bug. Plase
save the crash dump and file a detailed bug report against Software
Manager at https://bugzilla.redhat.com/bugzilla

omponent: Software Manager
Summary: TB9275b279 downloadonly.py:26:config_hook:AttributeError:
'NoneType' object has no attribute 'add_option'

Traceback (most recent call last):
File "/usr/sbin/pirut", line 363, in ?
main()
File "/usr/sbin/pirut", line 358, in main
pm = PackageManager()
File "/usr/sbin/pirut", line 56, in __init__
GraphicalYumBase.__init__(self, False)
File "/usr/lib/python2.4/site-packages/pirut/__init__.py", line 123,
in __init__
self.doPluginSetup(types=(yum.plugins.TYPE_CORE))
File "/usr/lib/python2.4/site-packages/yum/__init__.py", line 173,
in doPluginSetup
optparser, types)
File "/usr/lib/python2.4/site-packages/yum/plugins.py", line 148, in __init__
self.run('config')
File "/usr/lib/python2.4/site-packages/yum/plugins.py", line 164, in run
func(conduitcls(self, self.base, conf, **kwargs))
File "/usr/lib/yum-plugins/downloadonly.py", line 26, in config_hook
parser.add_option('', '--downloadonly', dest='dlonly', action='store_true',
AttributeError: 'NoneType' object has no attribute 'add_option'