lsb_release crashed with SystemError in <module>()

[Davide]

Binary package hint: lsb

Description: Ubuntu lucid (development branch)
Release: 10.04
lsb:
  Installato: (nessuno)
  Candidato: 4.0-0ubuntu8
  Tabella versione:
     4.0-0ubuntu8 0
        500 http://it.archive.ubuntu.com/ubuntu/ lucid/main Packages

ProblemType: Crash
Architecture: amd64
Date: Sun Mar 21 16:59:00 2010
DistroRelease: Ubuntu 10.04
ExecutablePath: /usr/bin/lsb_release
InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Beta amd64 (20100318)
InterpreterPath: /usr/bin/python2.6
Package: lsb-release 4.0-0ubuntu8
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/bin/lsb_release -is
ProcEnviron:
 PATH=(custom, no user)
 LANG=it_IT.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.32-16.25-generic
PythonArgs: ['/usr/bin/lsb_release', '-is']
SourcePackage: lsb
Title: lsb_release crashed with SystemError in <module>()
Uname: Linux 2.6.32-16-generic x86_64
UserGroups: