software-properties-gtk crashed with AttributeError in on_treeview_sources_cursor_changed(): 'NoneType' object has no attribute 'get_selected'

[pham xuan chin]

trung tâm phần mềm tự động đóng bất thường

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: software-properties-gtk 0.82
ProcVersionSignature: Ubuntu 3.2.0-7.13-generic 3.2.0-rc7
Uname: Linux 3.2.0-7-generic i686
ApportVersion: 1.90-0ubuntu1
Architecture: i386
Date: Wed Jan 4 23:19:11 2012
DuplicateOf: https://bugs.launchpad.net/bugs/911834
ExecutablePath: /usr/bin/software-properties-gtk
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha i386 (20111129.1)
InterpreterPath: /usr/bin/python2.7
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/bin/software-properties-gtk
PythonArgs: ['/usr/bin/software-properties-gtk']
SourcePackage: software-properties
Title: software-properties-gtk crashed with AttributeError in on_treeview_sources_cursor_changed(): 'NoneType' object has no attribute 'get_selected'
Traceback:
 Traceback (most recent call last):
   File "/usr/lib/python2.7/dist-packages/softwareproperties/gtk/SoftwarePropertiesGtk.py", line 820, in on_treeview_sources_cursor_changed
     (model, iter) = sel.get_selected()
 AttributeError: 'NoneType' object has no attribute 'get_selected'
UpgradeStatus: Upgraded to precise on 2011-12-25 (9 days ago)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make this software better. This particular crash has already been reported and is a duplicate of bug #911834, 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.