displayconfig-gtk crashed with AttributeError in _resyncResolution()

[denis]

Binary package hint: displayconfig-gtk

Traceback (most recent call last):
  File "/usr/bin/displayconfig-gtk", line 75, in <module>
    app = DisplayConfig(options)
  File "/usr/lib/python2.5/site-packages/displayconfiggtk/DisplayConfig.py", line 190, in __init__
    debug_scan_pci_filename=self.options.pcitable)
  File "/var/lib/python-support/python2.5/displayconfigabstraction.py", line 392, in __init__
    self._finalizeInit()
  File "/var/lib/python-support/python2.5/displayconfigabstraction.py", line 397, in _finalizeInit
    gfxcard._finalizeInit()
  File "/var/lib/python-support/python2.5/displayconfigabstraction.py", line 1118, in _finalizeInit
    screen._resyncResolution()
  File "/var/lib/python-support/python2.5/displayconfigabstraction.py", line 1823, in _resyncResolution
    secondary_set = set(secondary_screen.available_sizes)
AttributeError: 'Screen' object has no attribute 'available_sizes'

ProblemType: Crash
Architecture: i386
Date: Thu Oct 4 16:22:08 2007
DistroRelease: Ubuntu 7.10
ExecutablePath: /usr/bin/displayconfig-gtk
InterpreterPath: /usr/bin/python2.5
Package: displayconfig-gtk 0.3.2
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/bin/displayconfig-gtk
ProcCwd: /home/denis
ProcEnviron:
 PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games
 LANG=it_IT.UTF-8
 SHELL=/bin/bash
PythonArgs: ['/usr/bin/displayconfig-gtk']
SourcePackage: displayconfig-gtk
Title: displayconfig-gtk crashed with AttributeError in _resyncResolution()
Uname: Linux denis-desktop 2.6.22-12-generic #1 SMP Sun Sep 23 18:11:30 GMT 2007 i686 GNU/Linux