SensorsScreenlet.py crashed with ValueError in update(): invalid literal for int() with base 10: ''

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ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: screenlets-pack-basic 0.0.1~bzr838+repack-0ubuntu1
Uname: Linux 2.6.38.1-sune-1 x86_64
NonfreeKernelModules: nvidia
Architecture: amd64
Date: Tue Mar 29 00:58:29 2011
ExecutablePath: /usr/share/screenlets/screenlets-pack-basic/Sensors/SensorsScreenlet.py
InterpreterPath: /usr/bin/python2.7
ProcCmdline: python -u /usr/share/screenlets/screenlets-pack-basic/Sensors/SensorsScreenlet.py
ProcEnviron:
 LANGUAGE=en_DK:en
 PATH=(custom, user)
 LANG=en_DK.UTF-8
 SHELL=/bin/bash
PythonArgs: ['/usr/share/screenlets/screenlets-pack-basic/Sensors/SensorsScreenlet.py']
SourcePackage: indiv-screenlets
Title: SensorsScreenlet.py crashed with ValueError in update(): invalid literal for int() with base 10: ''
Traceback:
 Traceback (most recent call last):
   File "/usr/share/screenlets/screenlets-pack-basic/Sensors/SensorsScreenlet.py", line 167, in update
     self.new_cpu=sensors.cpu_get_load(int(self.sensor[3]))
 ValueError: invalid literal for int() with base 10: ''
UpgradeStatus: Upgraded to natty on 2011-03-28 (0 days ago)
UserGroups: adm admin cdrom dialout libvirtd lpadmin plugdev sambashare src