displayconfig-gtk crashed with AttributeError in isXorgConfigChanged()

[rrr0321]

Binary package hint: displayconfig-gtk

DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=8.04
DISTRIB_CODENAME=hardy
DISTRIB_DESCRIPTION="Ubuntu hardy (development branch)"

ProblemType: Crash
Architecture: i386
Date: Sat Mar 1 20:25:21 2008
DistroRelease: Ubuntu 8.04
ExecutablePath: /usr/bin/displayconfig-gtk
InterpreterPath: /usr/bin/python2.5
NonfreeKernelModules: nvidia
Package: displayconfig-gtk 0.3.7
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/bin/displayconfig-gtk
ProcEnviron:
 PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/X11R6/bin
 LANG=en_US.UTF-8
 SHELL=/bin/bash
PythonArgs: ['/usr/bin/displayconfig-gtk']
SourcePackage: displayconfig-gtk
Title: displayconfig-gtk crashed with AttributeError in isXorgConfigChanged()
Uname: Linux 2.6.24-10-generic i686
UserGroups: