ClearWeatherScreenlet.py crashed with TypeError in show_error(): not all arguments converted during string formatting

Crash after unlocking the Screen

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: screenlets-pack-all 0.1.6-0ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-22.35-generic 3.2.14
Uname: Linux 3.2.0-22-generic x86_64
NonfreeKernelModules: fglrx
ApportVersion: 2.0-0ubuntu4
Architecture: amd64
CrashCounter: 1
Date: Sun Apr 8 02:30:14 2012
ExecutablePath: /usr/share/screenlets/screenlets-pack-all/ClearWeather/ClearWeatherScreenlet.py
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
InterpreterPath: /usr/bin/python2.7
PackageArchitecture: all
ProcCmdline: python -u /usr/share/screenlets/screenlets-pack-all/ClearWeather/ClearWeatherScreenlet.py
ProcEnviron:
 PATH=(custom, no user)
 LANG=de_AT.UTF-8
 SHELL=/bin/bash
PythonArgs: ['/usr/share/screenlets/screenlets-pack-all/ClearWeather/ClearWeatherScreenlet.py']
SourcePackage: indiv-screenlets
Title: ClearWeatherScreenlet.py crashed with TypeError in show_error(): not all arguments converted during string formatting
UpgradeStatus: Upgraded to precise on 2012-03-24 (14 days ago)
UserGroups: adm admin audio cdrom dialout fuse lpadmin netdev plugdev sambashare vboxusers video