run crashed with KeyError in runner(): 'duration'

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Binary package hint: checkbox

crashed while testing throw Control center->System->System Testing

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: checkbox 0.11.2
ProcVersionSignature: Ubuntu 2.6.38-7.37-generic 2.6.38
Uname: Linux 2.6.38-7-generic i686
Architecture: i386
Date: Tue Mar 22 23:14:49 2011
ExecutablePath: /usr/share/checkbox/run
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha i386 (20110322)
InterpreterPath: /usr/bin/python2.7
ProcCmdline: python /usr/share/checkbox/run /usr/share/checkbox/configs/checkbox-gtk.ini
ProcEnviron:
 SHELL=/bin/bash
 LANG=en_US.UTF-8
 LANGUAGE=en_US:en
PythonArgs: ['/usr/share/checkbox/run', '/usr/share/checkbox/configs/checkbox-gtk.ini']
SourcePackage: checkbox
Title: run crashed with KeyError in runner(): 'duration'
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

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Under VirtualBox

[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 #729431, 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.

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Bug # 729431 is missing...