zz-plasma-remove-network-manager.py crashed with ImportError in <module>()

[JC]

Binary package hint: kdebase-workspace

karmic 9.10
empathy:
  Installed: 2.28.1.1-0ubuntu1
  Candidate: 2.28.1.1-0ubuntu1

execute empathy
choose new account
choose msn client and wrote id/passwd,then click next
there, the windows unlock keyring just open
i choose "deny" for not enter a default key,
then i see the crash problem

i tried again just after the crash to see the reproductibility,but it doesnt crash again.

ProblemType: Crash
Architecture: amd64
Date: Fri Nov 6 16:16:08 2009
Dependencies:

DistroRelease: Ubuntu 9.10
ExecutablePath: /usr/share/kde4/apps/kconf_update/zz-plasma-remove-network-manager.py
InterpreterPath: /usr/bin/python2.6
NonfreeKernelModules: nvidia
Package: kdebase-workspace-data 4:4.3.2-0ubuntu7
PackageArchitecture: all
ProcCmdline: python /usr/share/kde4/apps/kconf_update/zz-plasma-remove-network-manager.py
ProcEnviron:
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-14.48-generic
PythonArgs: ['/usr/share/kde4/apps/kconf_update/zz-plasma-remove-network-manager.py']
SourcePackage: kdebase-workspace
Title: zz-plasma-remove-network-manager.py crashed with ImportError in <module>()
Traceback:
 Traceback (most recent call last):
   File "/usr/share/kde4/apps/kconf_update/zz-plasma-remove-network-manager.py", line 13, in <module>
     from PyKDE4.kdecore import KSharedConfig, KAboutData, ki18n, KCmdLineArgs
 ImportError: No module named PyKDE4.kdecore
Uname: Linux 2.6.31-14-generic x86_64
UserGroups: adm admin audio cdrom dialout lpadmin netdev plugdev sambashare vboxusers video
XsessionErrors:
 (gnome-settings-daemon:2257): GLib-CRITICAL **: g_propagate_error: assertion `src != NULL' failed
 (gnome-settings-daemon:2257): GLib-CRITICAL **: g_propagate_error: assertion `src != NULL' failed
 (polkit-gnome-authentication-agent-1:2381): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed
 (nautilus:2350): Eel-CRITICAL **: eel_preferences_get_boolean: assertion `preferences_is_initialized ()' failed

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make Ubuntu better. This particular crash has already been reported and is a duplicate of bug #446180, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.