software-center crashed with SystemError in mark_install()

[Mathias Warnier]

Binary package hint: software-center

clicked on flight gear install button.

install went through no changes in ui or performance.

ProblemType: Crash
DistroRelease: Ubuntu 10.10
Package: software-center 2.1.15
ProcVersionSignature: Ubuntu 2.6.35-19.28-generic 2.6.35.3
Uname: Linux 2.6.35-19-generic x86_64
NonfreeKernelModules: nvidia
Architecture: amd64
CheckboxSubmission: 14945c5b5678fc397dfff2fc98c10903
CheckboxSystem: e704f33cc0866ff0f0256a33de39ea1c
Date: Sat Sep 4 22:47:20 2010
ExecutablePath: /usr/share/software-center/software-center
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100429)
InterpreterPath: /usr/bin/python2.6
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/bin/software-center
ProcEnviron:
 LANGUAGE=en_US:en_GB:en
 LANG=nl_BE.utf8
 SHELL=/bin/bash
PythonArgs: ['/usr/bin/software-center']
SourcePackage: software-center
Title: software-center crashed with SystemError in mark_install()
UserGroups: adm admin cdrom dialout dip fax floppy fuse lpadmin 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 #624541, 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.