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

Stand alone crash : no manipulation with.

ProblemType: Crash
Architecture: i386
CupsErrorLog:

Date: Tue Feb 2 08:36:18 2010
DistroRelease: Ubuntu 10.04
ExecutablePath: /usr/share/system-config-printer/applet.py
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release i386 (20091028.5)
InterpreterPath: /usr/bin/python2.6
Lpstat: Error: command ['lpstat', '-v'] failed with exit code 1: lpstat: No destinations added.
MachineType: CLEVO Co. M740T/M760T
Package: system-config-printer-gnome 1.1.12+git20090826-0ubuntu11
PackageArchitecture: all
Papersize: a4
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-12-generic root=UUID=463d2b84-c508-42c7-ac53-75263adfed42 ro quiet splash
ProcCmdline: python /usr/share/system-config-printer/applet.py
ProcEnviron:
 LANG=fr_FR.utf8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.32-12.16-generic
PythonArgs: ['/usr/share/system-config-printer/applet.py']
SourcePackage: system-config-printer
Title: applet.py crashed with ImportError in <module>()
Traceback:
 Traceback (most recent call last):
   File "/usr/share/system-config-printer/applet.py", line 32, in <module>
     import pynotify
   File "/usr/lib/pymodules/python2.6/gtk-2.0/pynotify/__init__.py", line 1, in <module>
 ImportError: No module named _pynotify
Uname: Linux 2.6.32-12-generic i686
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
dmi.bios.date: 06/20/2008
dmi.bios.vendor: Phoenix Technologies LTD
dmi.bios.version: 1.00.06
dmi.board.name: M740T/M760T
dmi.board.vendor: CLEVO Co.
dmi.board.version: Not Applicable
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 1
dmi.chassis.vendor: No Enclosure
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnPhoenixTechnologiesLTD:bvr1.00.06:bd06/20/2008:svnCLEVOCo.:pnM740T/M760T:pvrNotApplicable:rvnCLEVOCo.:rnM740T/M760T:rvrNotApplicable:cvnNoEnclosure:ct1:cvrN/A:
dmi.product.name: M740T/M760T
dmi.product.version: Not Applicable
dmi.sys.vendor: CLEVO Co.