aps failed to install during upgrade

Binary package hint: apport

python 2.6 failed to install

ProblemType: Crash
Architecture: i386
CrashReports:
 600:0:0:10185:2009-04-02 22:56:21.000000000 +0100:2009-04-02 23:38:25.000000000 +0100:/var/crash/_usr_share_apport_package_hook.0.crash
 600:0:0:299:2009-04-02 22:56:22.000000000 +0100:2009-04-02 22:56:16.000000000 +0100:/var/crash/python2.6-minimal.0.crash
DistroRelease: Ubuntu 9.04
ExecutablePath: /usr/share/apport/package_hook
InterpreterPath: /usr/bin/python2.5
NonfreeKernelModules: nvidia
Package: apport 0.148
PackageArchitecture: all
ProcAttrCurrent: unconfined
ProcCmdline: /usr/bin/python /usr/share/apport/package_hook -p python2.6-minimal -l /var/log/dist-upgrade/
ProcEnviron:
 PATH=/tmp/tmp-lkFCx/imported:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/X11R6/bin
 LANG=en_GB.UTF-8
 SHELL=/bin/bash
PythonArgs: ['/usr/share/apport/package_hook', '-p', 'python2.6-minimal', '-l', '/var/log/dist-upgrade/']
SourcePackage: apport
Title: package_hook crashed with IOError in write()
Uname: Linux 2.6.28-11-generic i686
UserGroups: adm admin audio cdrom dialout floppy lpadmin plugdev root sambashare scanner tape