CalendarScreenlet.py crashed with AttributeError in sys_get_window_manager()

Binary package hint: screenlets

This error comes up each time the system boots. I'm using a USB key to run Ubuntu

ProblemType: Crash
DistroRelease: Ubuntu 10.10
Package: screenlets 0.1.2-7ubuntu2
ProcVersionSignature: Ubuntu 2.6.35-27.48-generic 2.6.35.11
Uname: Linux 2.6.35-27-generic i686
Architecture: i386
Date: Wed Mar 23 16:39:51 2011
ExecutablePath: /usr/share/screenlets/Calendar/CalendarScreenlet.py
InterpreterPath: /usr/bin/python2.6
LiveMediaBuild: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
PackageArchitecture: all
ProcCmdline: python -u /usr/share/screenlets/Calendar/CalendarScreenlet.py
ProcEnviron:
 LANG=en_US.UTF-8
 SHELL=/bin/bash
PythonArgs: ['/usr/share/screenlets/Calendar/CalendarScreenlet.py']
SourcePackage: screenlets
Title: CalendarScreenlet.py crashed with AttributeError in sys_get_window_manager()
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare