pycentral crashed with AttributeError in prepare()

[miaou86]

Binary package hint: onboard

onboard_0.91_all.deb crash when update with this message

Traceback (most recent call last):
  File "/usr/bin/pycentral", line 1674, in <module>
    main()
  File "/usr/bin/pycentral", line 1668, in main
    rv = action.run(global_options)
  File "/usr/bin/pycentral", line 1169, in run
    pkg.prepare(used_runtimes, old_used_runtimes, old_pkg)
  File "/usr/bin/pycentral", line 793, in prepare
    self.default_runtime.remove_byte_code(removed_fs)
AttributeError: 'NoneType' object has no attribute 'remove_byte_code'
dpkg : erreur de traitement de /var/cache/apt/archives/onboard_0.91_all.deb (--unpack) :
 le sous-processus pre-installation script a retourné une erreur de sortie d'état 1

ProblemType: Crash
Architecture: i386
Date: Thu Feb 28 10:30:55 2008
DistroRelease: Ubuntu 8.04
ExecutablePath: /usr/bin/pycentral
InterpreterPath: /usr/bin/python2.5
NonfreeKernelModules: nvidia
Package: python-central 0.5.60ubuntu4
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/bin/pycentral pkgprepare onboard
ProcEnviron:
 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/bin/pycentral', 'pkgprepare', 'onboard']
SourcePackage: python-central
Title: pycentral crashed with AttributeError in prepare()
Uname: Linux 2.6.24-10-generic i686
UserGroups: