Description of problem:

Internal system error when launching "Software Update"

How reproducible:

Launch "Software Update"

  
Actual results:

Error Type: <type 'exceptions.AttributeError'>
Error Value: 'YumFilter' object has no attribute 'pre_process'
  File : /usr/share/PackageKit/helpers/yum/yumBackend.py, line 3619, in <module>
    main()
  File : /usr/share/PackageKit/helpers/yum/yumBackend.py, line 3616, in main
    backend.dispatcher(sys.argv[1:])
  File : /usr/lib/python2.7/site-packages/packagekit/backend.py, line 748, in dispatcher
    self.dispatch_command(args[0], args[1:])
  File : /usr/lib/python2.7/site-packages/packagekit/backend.py, line 632, in dispatch_command
    self.get_updates(filters)
  File : /usr/share/PackageKit/helpers/yum/yumBackend.py, line 2784, in get_updates
    if pkgfilter.pre_process(pkg):


Expected results:

A list of of things that need updates.

Additional info: