ClockScreenlet.py crashed with AttributeError in redraw_foreground(): 'NoneType' object has no attribute 'render'

[MUBEEN]

This is a clock applet. When ever i start this application it causes me an error. please verify it as soon as possible.
Thank you,
Confused.

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: screenlets-pack-basic 0.0.1~bzr838+repack-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.38-8.41-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic i686
NonfreeKernelModules: nvidia
Architecture: i386
Date: Sat Apr 9 01:35:29 2011
ExecutablePath: /usr/share/screenlets/screenlets-pack-basic/Clock/ClockScreenlet.py
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
InterpreterPath: /usr/bin/python2.7
PackageArchitecture: all
ProcCmdline: python -u /usr/share/screenlets/screenlets-pack-basic/Clock/ClockScreenlet.py
ProcEnviron:
 LANGUAGE=en_US:en
 LANG=en_US.UTF-8
 SHELL=/bin/bash
PythonArgs: ['/usr/share/screenlets/screenlets-pack-basic/Clock/ClockScreenlet.py']
SourcePackage: indiv-screenlets
Title: ClockScreenlet.py crashed with AttributeError in redraw_foreground(): 'NoneType' object has no attribute 'render'
UpgradeStatus: Upgraded to natty on 2011-04-06 (2 days ago)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make Ubuntu better. This particular crash has already been reported and is a duplicate of bug #746988, 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.