system-config-printer.py crashed with AttributeError in send_reply()

[houstonbofh]

Binary package hint: system-config-printer

Lucid Daily patched to current 28-2-2010. Clean install from 27-2-2010. CUPS 1.4.2-9 has one printer installed. (HP Color Laser 2550)

From within Gnome;
Open Printing applet.
Add new printer to open "new Printer" applet. (Button or menu makes no difference)
Expand "Network Printer" options.
Hit Cancel to close applet.
Crash is repeatable.

ProblemType: Crash
Architecture: i386
CupsErrorLog:
 E [28/Feb/2010:09:15:57 -0600] Unable to remove temporary file "/var/spool/cups/tmp/.hplip" - Is a directory
 E [28/Feb/2010:09:58:50 -0600] [cups-driverd] Bad driver information file "/usr/share/cups/drv/sample.drv"!
Date: Sun Feb 28 10:04:57 2010
DistroRelease: Ubuntu 10.04
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 Color-LaserJet-2550: socket://colorlaserjet:9100
Lsusb:
 Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: Dell Computer Corporation Latitude D400
Package: system-config-printer-gnome 1.1.17+20100217-0ubuntu2
PackageArchitecture: all
Papersize: letter
PccardctlIdent:
 Socket 0:
   no product info available
 Socket 1:
   no product info available
PccardctlStatus:
 Socket 0:
   no card
 Socket 1:
   no card
PpdFiles: Color-LaserJet-2550: HP Color LaserJet 2550 Series Postscript (recommended)
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-14-generic root=UUID=5c3c6cce-f1d6-4ef6-9416-39ebc07bffff ro quiet splash
ProcCmdline: python /usr/share/system-config-printer/system-config-printer.py
ProcEnviron:
 LANG=en_US.utf8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.32-14.20-generic
PythonArgs: ['/usr/share/system-config-printer/system-config-printer.py']
SourcePackage: system-config-printer
Title: system-config-printer.py crashed with AttributeError in send_reply()
Traceback:
 Traceback (most recent call last):
   File "/usr/share/system-config-printer/asyncipp.py", line 192, in send_reply
     self._reply_handler (self._conn, result)
 AttributeError: '_IPPConnectionThread' object has no attribute '_reply_handler'
Uname: Linux 2.6.32-14-generic i686
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
dmi.bios.date: 06/28/2005
dmi.bios.vendor: Dell Computer Corporation
dmi.bios.version: A08
dmi.board.name: 0W0328
dmi.board.vendor: Dell Computer Corporation
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Computer Corporation
dmi.modalias: dmi:bvnDellComputerCorporation:bvrA08:bd06/28/2005:svnDellComputerCorporation:pnLatitudeD400:pvr:rvnDellComputerCorporation:rn0W0328:rvr:cvnDellComputerCorporation:ct8:cvr:
dmi.product.name: Latitude D400
dmi.sys.vendor: Dell Computer Corporation

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make Ubuntu better. This particular crash has already been reported and is a duplicate of bug #520466, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.