GUI.py crashed with AssertionError in chownself()

[kook]

Binary package hint: bleachbit

GUI.py crashed with AssertionError in chownself()

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: bleachbit 0.8.7-1
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic x86_64
Architecture: amd64
Date: Fri Apr 15 17:24:51 2011
ExecutablePath: /usr/share/bleachbit/bleachbit/GUI.py
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Beta amd64 (20110330)
InterpreterPath: /usr/bin/python2.7
PackageArchitecture: all
ProcCmdline: python /usr/bin/bleachbit
ProcEnviron:
 LANGUAGE=ru_RU:en
 PATH=(custom, no user)
 LANG=ru_RU.UTF-8
 SHELL=/bin/bash
PythonArgs: ['/usr/bin/bleachbit']
SourcePackage: bleachbit
Title: GUI.py crashed with AssertionError in chownself()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:

[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 #715199, 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.