Traceback (most recent call last):
  File "/usr/bin/update-notifier-kde", line 47, in <module>
    from UpdateManager.DistUpgradeFetcherKDE import DistUpgradeFetcherKDE
  File "/usr/lib/python2.5/site-packages/UpdateManager/DistUpgradeFetcherKDE.py", line 28, in <module>
    from ReleaseNotesViewer import ReleaseNotesViewer
ImportError: No module named ReleaseNotesViewer