software-properties-gtk crashed with UnicodeDecodeError in init_distro(): 'ascii' codec can't decode byte 0xd0 in position 0: ordinal not in range(128)

[Dmitry]

It crashes every time I try to open System Settings -> Application sources ("Источники приложений" in Russian).

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: software-properties-gtk 0.81.4
ProcVersionSignature: Ubuntu 3.0.0-7.9-generic 3.0.0
Uname: Linux 3.0.0-7-generic x86_64
Architecture: amd64
Date: Sat Aug 6 01:02:32 2011
ExecutablePath: /usr/bin/software-properties-gtk
InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Beta amd64 (20100318)
InterpreterPath: /usr/bin/python2.7
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/bin/software-properties-gtk
ProcEnviron:
 LANG=ru_RU.UTF-8
 SHELL=/bin/bash
PythonArgs: ['/usr/bin/software-properties-gtk']
SourcePackage: software-properties
Title: software-properties-gtk crashed with UnicodeDecodeError in init_distro(): 'ascii' codec can't decode byte 0xd0 in position 0: ordinal not in range(128)
UpgradeStatus: Upgraded to oneiric on 2011-07-30 (6 days ago)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

[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 #815642, 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.