system-config-printer.py crashed with IndexError in _set_frame()

Binary package hint: system-config-printer

1. ubuntu 10.04 Beta 2
2. system config-printer 1.1.91
3. find the localhost to detect and install server printer
4. just told that it crashed: program did not perform the search.

ProblemType: Crash
DistroRelease: Ubuntu 10.04
Package: system-config-printer-gnome 1.1.17+20100217-0ubuntu12
ProcVersionSignature: Ubuntu 2.6.32-19.28-server 2.6.32.10+drm33.1
Uname: Linux 2.6.32-19-server x86_64
Architecture: amd64
Date: Fri Apr 9 09:46:21 2010
ExecutablePath: /usr/share/system-config-printer/system-config-printer.py
InstallationMedia: Error: [Errno 13] Permission denied: '/var/log/installer/media-info'
InterpreterPath: /usr/bin/python2.6
Lpstat:
 device for Deskjet-F4100-series: hp:/usb/Deskjet_F4100_series?serial=CN7C94T0NP04TJ
 device for Generic-CUPS-PDF-Printer: cups-pdf:/
 device for HP-Deskjet-F4100-series: hp:/usb/Deskjet_F4100_series?serial=CN7C94T0NP04TJ
MachineType: TOSHIBA Satellite M305
PackageArchitecture: all
Papersize: letter
PpdFiles:
 Generic-CUPS-PDF-Printer: Generic CUPS-PDF Printer
 HP-Deskjet-F4100-series: HP Deskjet f4100 Series, hpcups 3.10.2
 Deskjet-F4100-series: HP Deskjet f4100 Series, hpcups 3.10.2
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-19-server root=UUID=66b8cb9b-a285-4715-8c86-13776dd49d18 ro ipv6.disable=1 quiet
ProcCmdline: python /usr/share/system-config-printer/system-config-printer.py
ProcEnviron:
 LANG=en_US.utf8
 SHELL=/bin/bash
PythonArgs: ['/usr/share/system-config-printer/system-config-printer.py']
SourcePackage: system-config-printer
Title: system-config-printer.py crashed with IndexError in _set_frame()
UserGroups: adm admin cdrom dialout libvirtd lpadmin plugdev sambashare
dmi.bios.date: 03/11/2009
dmi.bios.vendor: TOSHIBA
dmi.bios.version: V3.50
dmi.board.name: Satellite M305
dmi.board.vendor: TOSHIBA
dmi.board.version: Not Applicable
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: TOSHIBA
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnTOSHIBA:bvrV3.50:bd03/11/2009:svnTOSHIBA:pnSatelliteM305:pvrPSMD8U-023013:rvnTOSHIBA:rnSatelliteM305:rvrNotApplicable:cvnTOSHIBA:ct10:cvrN/A:
dmi.product.name: Satellite M305
dmi.product.version: PSMD8U-023013
dmi.sys.vendor: TOSHIBA