systray.py crashed with AttributeError in settingsTriggered()

[Lafa]

Binary package hint: hplip

I got this error after updating the system and installing mythubuntu destop

ProblemType: Crash
Architecture: amd64
DistroRelease: Ubuntu 9.04
ExecutablePath: /usr/share/hplip/systray.py
InterpreterPath: /usr/bin/python2.5
Package: hplip-data 2.8.12-1ubuntu2 [modified: usr/share/hplip/base/__init__.pyc usr/share/hplip/base/g.pyc usr/share/hplip/base/codes.pyc usr/share/hplip/base/logger.pyc]
PackageArchitecture: all
ProcCmdline: python /usr/bin/hp-systray --qt4 --force-startup
ProcEnviron:
 LANG=en_US.UTF-8
 SHELL=/bin/bash
PythonArgs: ['/usr/bin/hp-systray', '--qt4', '--force-startup']
SourcePackage: hplip
Title: systray.py crashed with AttributeError in settingsTriggered()
Traceback:
 Traceback (most recent call last):
   File "/usr/share/hplip/ui4/systemtray.py", line 367, in settingsTriggered
     self.polling_timer.setInterval(self.user_settings.polling_interval * 1000)
 AttributeError: polling_timer
Uname: Linux 2.6.28-4-generic x86_64
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare vboxusers

[dino99 (9d9)]

This version has died long ago; no more supported