plasma-desktop crashed with ImportError in /home/username/.kde/share/apps/plasma/plasmoids/BusyTasks/contents/code/main.py: No module named sysv_ipc

[Raphael Parree]

Description: Ubuntu precise (development branch)
Release: 12.04

kde-workspace:
  Installed: 4:4.8.1-0ubuntu4
  Candidate: 4:4.8.1-0ubuntu4
  Version table:
 *** 4:4.8.1-0ubuntu4 0
        500 http://fr.archive.ubuntu.com/ubuntu/ precise/main amd64 Packages
        100 /var/lib/dpkg/status

Guess what i see is that widgets are missing from my panel, in particular the "System Tray" and the "Digital Clock"

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: plasma-desktop 4:4.8.1-0ubuntu4
ProcVersionSignature: Ubuntu 3.2.0-21.34-generic 3.2.13
Uname: Linux 3.2.0-21-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.0-0ubuntu2
Architecture: amd64
CrashCounter: 1
Date: Mon Apr 2 00:00:55 2012
ExecutablePath: /usr/bin/plasma-desktop
InstallationMedia: Kubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
ProcCmdline: /usr/bin/plasma-desktop
ProcEnviron:
 PATH=(custom, user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: kde-workspace
Title: plasma-desktop crashed with ImportError in /home/username/.kde/share/apps/plasma/plasmoids/BusyTasks/contents/code/main.py: No module named sysv_ipc
UpgradeStatus: Upgraded to precise on 2012-03-26 (7 days ago)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare wireshark

[Harald Sitter (apachelogger)]

Bug in the third party BusyTasks plasmoid, please report to its author.