software-center crashed with AttributeError in _colorise_label_normal(): 'NoneType' object has no attribute 'change'

[angel orna]

Binary package hint: software-center

Ubuntu Natty 11.04
angel@angel-laptop:~$ apt-cache policy software-center
software-center:
  Instalados: 3.1.12
  Candidato: 3.1.12
  Tabla de versión:
 *** 3.1.12 0
        500 http://archive.ubuntu.com/ubuntu/ natty/main i386 Packages
        100 /var/lib/dpkg/status
Sotfware-center crash on startup

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: software-center 3.1.12
ProcVersionSignature: Ubuntu 2.6.37-12.26-generic 2.6.37
Uname: Linux 2.6.37-12-generic i686
NonfreeKernelModules: nvidia
Architecture: i386
Date: Fri Jan 28 00:22:57 2011
ExecutablePath: /usr/share/software-center/software-center
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
InterpreterPath: /usr/bin/python2.7
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/bin/software-center
ProcCwd: /home/angel
ProcEnviron:
 LANGUAGE=es_ES:es:en_GB:en
 LANG=es_ES.UTF-8
 LC_MESSAGES=es_ES.utf8
 SHELL=/bin/bash
PythonArgs: ['/usr/bin/software-center']
SourcePackage: software-center
Title: software-center crashed with AttributeError in _colorise_label_normal(): 'NoneType' object has no attribute 'change'
UserGroups: adm admin audio cdrom dialout dip fax floppy fuse lpadmin netdev plugdev sambashare tape video

[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 #708919, 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.