applet.py crashed with ValueError in /usr/lib/pymodules/python2.7/cupshelpers/ppds.py: bad marshal data (unknown type code)

Binary package hint: system-config-printer

Ubuntu Natty (development branch)

apt-cache policy system-config-printer-gnome
system-config-printer-gnome:
  Installé : 1.3.1+20110222-0ubuntu10
  Candidat : 1.3.1+20110222-0ubuntu10
 Table de version :
 *** 1.3.1+20110222-0ubuntu10 0
        500 http://ca.archive.ubuntu.com/ubuntu/ natty/main i386 Packages
        100 /var/lib/dpkg/status

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: system-config-printer-gnome 1.3.1+20110222-0ubuntu10
ProcVersionSignature: Ubuntu 2.6.38-7.38-generic 2.6.38
Uname: Linux 2.6.38-7-generic i686
Architecture: i386
CupsErrorLog: W [23/Mar/2011:14:20:41 -0400] No limit for Validate-Job defined in policy authenticated - using Print-Job's policy
Date: Wed Mar 23 16:40:37 2011
EcryptfsInUse: Yes
ExecutablePath: /usr/share/system-config-printer/applet.py
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
InterpreterPath: /usr/bin/python2.7
Lpstat: Error: command ['lpstat', '-v'] failed with exit code 1: lpstat: No destinations added.
MachineType: LENOVO 2007WMJ
Papersize: letter
PccardctlIdent:
 Socket 0:
   no product info available
PccardctlStatus:
 Socket 0:
   no card
PpdFiles:
 VMware_Virtual_Printer: Generic PostScript Printer Foomatic/Postscript (recommended)
 HP-LaserJet-4345: HP LaserJet 4345 MFP Postscript (recommended)
ProcCmdline: /usr/bin/python /usr/share/system-config-printer/applet.py
ProcEnviron:
 LANGUAGE=fr_CA:en
 PATH=(custom, user)
 LANG=fr_CA.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-7-generic root=UUID=00e51ca3-d93e-4ec7-ad48-fb1f6a7f248d ro quiet splash vt.handoff=7
PythonArgs: ['/usr/share/system-config-printer/applet.py']
SourcePackage: system-config-printer
Title: applet.py crashed with ValueError in /usr/lib/pymodules/python2.7/cupshelpers/ppds.py: bad marshal data (unknown type code)
UpgradeStatus: Upgraded to natty on 2011-03-23 (0 days ago)
UserGroups: adm admin cdrom dialout disk lpadmin plugdev sambashare www-data
dmi.bios.date: 09/12/2008
dmi.bios.vendor: LENOVO
dmi.bios.version: 79ETE3WW (2.23 )
dmi.board.name: 2007WMJ
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvr79ETE3WW(2.23):bd09/12/2008:svnLENOVO:pn2007WMJ:pvrThinkPadT60p:rvnLENOVO:rn2007WMJ:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 2007WMJ
dmi.product.version: ThinkPad T60p
dmi.sys.vendor: LENOVO