applet.py crashed with AttributeError in _ipp_reply_handler()

[Nicolas DERIVE]

Binary package hint: system-config-printer

Deleting some printing tasks.

ProblemType: Crash
Architecture: i386
CheckboxSubmission: c4273c0f4f2b8d26cd6bf31cadfd2912
CheckboxSystem: a871981cb5bdf4d6ebd55be46becf77e
CupsErrorLog:
 E [25/Mar/2010:17:22:34 +0100] Unable to remove temporary file "/var/spool/cups/tmp/.fontconfig" - Is a directory
 E [25/Mar/2010:17:22:34 +0100] Unable to remove temporary file "/var/spool/cups/tmp/.hplip" - Is a directory
 E [25/Mar/2010:17:28:42 +0100] cupsdReadClient: 20 IPP Read Error!
Date: Thu Mar 25 18:07:57 2010
DistroRelease: Ubuntu 10.04
EcryptfsInUse: Yes
ExecutablePath: /usr/share/system-config-printer/applet.py
InterpreterPath: /usr/bin/python2.6
Lpstat:
 device for Canon-PIXMA-iP4300: socket://192.168.1.5:9100
 device for IP4300: usb://Canon/iP4300
MachineType: System manufacturer P5K
Package: system-config-printer-gnome 1.1.17+20100217-0ubuntu4
PackageArchitecture: all
Papersize: a4
PpdFiles:
 Canon-PIXMA-iP4300: Canon PIXMA iP4300 - CUPS+Gutenprint v5.2.5
 IP4300: Canon PIXMA iP4300 - CUPS+Gutenprint v5.2.5
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-17-generic root=UUID=57815366-c975-4e08-a10e-208025672f51 ro crashkernel=384M-2G:64M,2G-:128M quiet splash
ProcCmdline: python /usr/share/system-config-printer/applet.py
ProcEnviron:
 LANGUAGE=fr_FR:fr:en_GB:en
 LANG=fr_FR.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.32-17.26-generic 2.6.32.10+drm33.1
PythonArgs: ['/usr/share/system-config-printer/applet.py']
SourcePackage: system-config-printer
Title: applet.py crashed with AttributeError in _ipp_reply_handler()
Uname: Linux 2.6.32-17-generic i686
UserGroups: adm admin audio cdrom dialout dip fax floppy fuse lpadmin netdev plugdev pulse pulse-access scanner tape users video
dmi.bios.date: 10/14/2008
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 1201
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: P5K
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr1201:bd10/14/2008:svnSystemmanufacturer:pnP5K:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP5K:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: P5K
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer