software-center crashed with ImportError in /usr/share/software-center/softwarecenter/utils.py: No module named gmenu

[Bordi]

user@ubuntu:~$ lsb_release -rd && uname -a
Description: Ubuntu oneiric (development branch)
Release: 11.10
Linux ubuntu 3.0.0-8-generic #11-Ubuntu SMP Fri Aug 12 20:23:58 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux
user@ubuntu:~$

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: software-center 4.1.15
ProcVersionSignature: Ubuntu 3.0.0-8.11-generic 3.0.1
Uname: Linux 3.0.0-8-generic x86_64
Architecture: amd64
Date: Thu Aug 18 18:39:52 2011
ExecutablePath: /usr/share/software-center/software-center
InterpreterPath: /usr/bin/python2.7
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/bin/software-center
ProcEnviron:
 LANGUAGE=de_CH:de
 PATH=(custom, no username)
 LANG=de_CH.UTF-8
 SHELL=/bin/bash
PythonArgs: ['/usr/bin/software-center']
SourcePackage: software-center
Title: software-center crashed with ImportError in /usr/share/software-center/softwarecenter/utils.py: No module named gmenu
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare