software-center crashed with TypeError in decode(): expected string or buffer

[Dave Morley]

mvo tremolux this is the report I get everytime I open USC

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: software-center 4.1.9
ProcVersionSignature: Ubuntu 3.0.0-5.6-generic 3.0.0-rc7
Uname: Linux 3.0.0-5-generic x86_64
Architecture: amd64
Date: Wed Jul 20 16:27:56 2011
ExecutablePath: /usr/share/software-center/software-center
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Alpha amd64 (20110720)
InterpreterPath: /usr/bin/python2.7
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/bin/software-center
ProcEnviron:
 LANGUAGE=en_GB:en
 LANG=en_GB.UTF-8
 SHELL=/bin/bash
PythonArgs: ['/usr/bin/software-center']
SourcePackage: software-center
Title: software-center crashed with TypeError in decode(): expected string or buffer
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare