software-properties-gtk crashed with UnicodeEncodeError in ToggleSourceUse(): 'ascii' codec can't encode characters in position 78-79: ordinal not in range(128)

[Lukasz Olszewski]

Occurs during session start.

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: software-properties-gtk 0.81.4
ProcVersionSignature: Ubuntu 3.0.0-8.10-generic 3.0.1
Uname: Linux 3.0.0-8-generic x86_64
NonfreeKernelModules: nvidia
Architecture: amd64
Date: Sat Aug 6 15:07:26 2011
ExecutablePath: /usr/bin/software-properties-gtk
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
InterpreterPath: /usr/bin/python2.7
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/bin/software-properties-gtk -n -t 73400449
ProcEnviron:
 PATH=(custom, no user)
 LANG=pl_PL.UTF-8
 SHELL=/usr/bin/zsh
PythonArgs: ['/usr/bin/software-properties-gtk', '-n', '-t', '73400449']
SourcePackage: software-properties
Title: software-properties-gtk crashed with UnicodeEncodeError in ToggleSourceUse(): 'ascii' codec can't encode characters in position 78-79: ordinal not in range(128)
UpgradeStatus: Upgraded to oneiric on 2011-08-10 (0 days ago)
UserGroups: