jockey-gtk package crashes after installation of Nvidia proprietary driver

Installation of Nvidia proprietary driver from HW drivers (System->administration) windows caused a crash in Jockey-gtk package. The crash was detected but the automated reporting failed. It had asked me to upgrade to python 2.6 and python2.6-minimal. But I already have 2.6.4+ installed. This problem happened during testing of Nvidia propriety testing. let me know if any more information is needed, I can reproduce the problem multiple times.

ProblemType: Bug
Architecture: i386
Date: Wed Feb 17 00:01:29 2010
DistroRelease: Ubuntu 10.04
InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Alpha i386 (20100215.1)
Package: jockey-gtk 0.5.7-0ubuntu1
PackageArchitecture: all
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-13-generic root=UUID=df76a7a0-7e7e-4420-aa39-b1c5d54daf3a ro quiet splash
ProcEnviron:
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.32-13.18-generic
SourcePackage: jockey
Uname: Linux 2.6.32-13-generic i686
dmi.bios.date: 05/02/2007
dmi.bios.vendor: Intel Corp.
dmi.bios.version: DPP3510J.86A.0216.2007.0502.1916
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: DP35DP
dmi.board.vendor: Intel Corporation
dmi.board.version: AAD81073-206
dmi.chassis.type: 2
dmi.modalias: dmi:bvnIntelCorp.:bvrDPP3510J.86A.0216.2007.0502.1916:bd05/02/2007:svn:pn:pvr:rvnIntelCorporation:rnDP35DP:rvrAAD81073-206:cvn:ct2:cvr: