[apport] package_hook crashed with ValueError in _get_field()

Binary package hint: apport

updating from edgy to feisty

ProblemType: Crash
ApportLog:

Architecture: amd64
CrashReports:
 600:0:0:29400:2007-03-31 17:05:31.000000000 +0200:2007-03-31 17:05:32.000000000 +0200:/var/crash/_usr_sbin_vbetool.0.crash
 600:0:0:11963:2007-04-06 20:11:12.000000000 +0200:2007-04-06 20:11:42.000000000 +0200:/var/crash/_usr_share_apport_package_hook.0.crash
Date: Fri Apr 6 20:11:13 2007
DistroRelease: Ubuntu 7.04
ExecutablePath: /usr/share/apport/package_hook
InterpreterPath: /usr/bin/python2.5
Package: apport 0.71
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/share/apport/package_hook -p libwps-0.1-1 -l /var/log/dist-upgrader/
ProcCwd: /home/yog
ProcEnviron:
 LANGUAGE=fr_FR:fr:en_GB:en
 PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/X11R6/bin
 LANG=fr_FR.UTF-8
 SHELL=/bin/bash
PythonArgs: ['/usr/share/apport/package_hook', '-p', 'libwps-0.1-1', '-l', '/var/log/dist-upgrader/']
SourcePackage: apport
Uname: Linux mars 2.6.20-13-generic #2 SMP Sat Mar 24 23:12:02 UTC 2007 x86_64 GNU/Linux