ClockScreenlet.py crashed with AttributeError in sys_get_window_manager()

Binary package hint: screenlets

My machine has been crashing frequently recently. I will try disabling screenlets and observe whether or not it eliminates the problem.

ProblemType: Crash
DistroRelease: Ubuntu 10.10
Package: screenlets 0.1.2-7ubuntu2
ProcVersionSignature: Ubuntu 2.6.35-24.42-generic 2.6.35.8
Uname: Linux 2.6.35-24-generic x86_64
NonfreeKernelModules: nvidia wl
Architecture: amd64
CheckboxSubmission: 201f4cff91a1b53aeda7da461ad14355
CheckboxSystem: d00f84de8a555815fa1c4660280da308
Date: Fri Dec 24 17:33:52 2010
ExecutablePath: /usr/share/screenlets/Clock/ClockScreenlet.py
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100429)
InterpreterPath: /usr/bin/python2.6
PackageArchitecture: all
ProcCmdline: python -u /usr/share/screenlets/Clock/ClockScreenlet.py
ProcEnviron:
 LANG=en_US.utf8
 SHELL=/bin/bash
PythonArgs: ['/usr/share/screenlets/Clock/ClockScreenlet.py']
SourcePackage: screenlets
Title: ClockScreenlet.py crashed with AttributeError in sys_get_window_manager()
UserGroups: adm admin cdrom dialout lpadmin netdev plugdev sambashare video www-data