Description of problem:
PackageKit shows in the applet that it is doing an update, it does finish the said update but in the end it pops up a dialog stating an error.

The error details are the following : 

Error Type: <type 'exceptions.IndexError'>
Error Value: list index out of range
  File : /usr/share/PackageKit/helpers/yum/yumBackend.py, line 2280, in <module>
    else:
  File : /usr/share/PackageKit/helpers/yum/yumBackend.py, line 2277, in main
    elif result == 1:
  File : /usr/lib/python2.5/site-packages/packagekit/backend.py, line 611, in dispatcher
    self.dispatch_command(args[0], args[1:])
  File : /usr/lib/python2.5/site-packages/packagekit/backend.py, line 578, in dispatch_command
    self.update_system()
  File : /usr/share/PackageKit/helpers/yum/yumBackend.py, line 1101, in update_system
    
  File : /usr/lib/python2.5/site-packages/yum/__init__.py, line 2659, in update
    updated_pkg = self.rpmdb.searchPkgTuple(old)[0]


Version-Release number of selected component (if applicable):
0.3.13-1

How reproducible:
It happens during an automatic update, I am not sure if it happens all the time, but it is frequent. 

Additional info:
I believe that after that the PackageKit always update the applet to indicate the need for a reboot, even when the packages installed do not actually require such action. 

Also I think that even though it states an error the update has happened without problems, as updating manually on the command line using yum always say that the system is updated.