toolbox.py crashed with ImportError in <module>()

[Leo]

Binary package hint: hplip

Hello

I'm try to execute "hp-toolbox" in a console to configure my HP Photosmart c4480 All-In-One, but I have the following error:

Traceback (most recent call last):
  File "/usr/bin/hp-toolbox", line 246, in <module>
    from ui4.devmgr5 import DevMgr5
  File "/usr/share/hplip/ui4/devmgr5.py", line 45, in <module>
    from dbus.mainloop.qt import DBusQtMainLoop
ImportError: No module named qt

The version of "hplip" is 3.9.2-3ubuntu1

My system is :

Description: Ubuntu jaunty (development branch)
Release: 9.04

ProblemType: Crash
Architecture: i386
CupsErrorLog: Error: [Errno 13] Permission denied: '/var/log/cups/error_log'
DistroRelease: Ubuntu 9.04
ExecutablePath: /usr/share/hplip/toolbox.py
InterpreterPath: /usr/bin/python2.6
Lpstat: device for Photosmart-C4400-series: hp:/usb/Photosmart_C4400_series?serial=TH8C8H20ZD05BN
MachineType:

NonfreeKernelModules: fglrx
Package: hplip-data 3.9.2-3ubuntu1
PackageArchitecture: all
Papersize: a4
PpdFiles: Photosmart-C4400-series: HP PS c4400 Series hpijs, hpijs 3.9.2
ProcCmdLine: root=UUID=c74e11c3-841c-45b4-aad7-8d648045c880 ro quiet splash
ProcCmdline: python /usr/bin/hp-toolbox
ProcEnviron:
 SHELL=/bin/bash
 LANG=gl_ES.UTF-8
ProcVersionSignature: Ubuntu 2.6.28-11.37-generic
PythonArgs: ['/usr/bin/hp-toolbox']
SourcePackage: hplip
Title: toolbox.py crashed with ImportError in <module>()
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare