upgradeprovision crashed with ImportError in __main__: libwbclient.so: cannot open shared object file: No such file or directory

[trekfan1]

Binary package hint: samba4

Description: Ubuntu natty (development branch)
Release: 11.04
samba4:
  Installed: 4.0.0~alpha15~git20110124.dfsg1-2
  Candidate: 4.0.0~alpha15~git20110124.dfsg1-2
  Table version:
 *** 4.0.0~alpha15~git20110124.dfsg1-2 0
        500 http://archive.ubuntu.com/ubuntu/ natty/universe i386 Packages
        100 /var/lib/dpkg/status

Language: Italian

Configurazione di samba4 (4.0.0~alpha15~git20110124.dfsg1-2)...
Traceback (most recent call last):
  File "/usr/share/samba/setup/upgradeprovision", line 42, in <module>
    from samba.auth import system_session, admin_session
ImportError: libwbclient.so: cannot open shared object file: No such file or directory
dpkg: errore nell'elaborare samba4 (--configure):
 il sottoprocesso vecchio script di post-installation ha restituito lo stato di errore 1
Si sono verificati degli errori nell'elaborazione:
 samba4
E: Sub-process /usr/bin/dpkg returned an error code (1)
Errore durante l'installazione di un pacchetto. Tentativo di ripristino:
Configurazione di samba4 (4.0.0~alpha15~git20110124.dfsg1-2)...
Traceback (most recent call last):
  File "/usr/share/samba/setup/upgradeprovision", line 42, in <module>
    from samba.auth import system_session, admin_session
ImportError: libwbclient.so: cannot open shared object file: No such file or directory
dpkg: errore nell'elaborare samba4 (--configure):
 il sottoprocesso vecchio script di post-installation ha restituito lo stato di errore 1
Si sono verificati degli errori nell'elaborazione:
 samba4

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: samba4 4.0.0~alpha15~git20110124.dfsg1-2
ProcVersionSignature: Ubuntu 2.6.38-3.30-generic-pae 2.6.38-rc4
Uname: Linux 2.6.38-3-generic-pae i686
Architecture: i386
Date: Wed Feb 9 20:58:06 2011
ExecutablePath: /usr/share/samba/setup/upgradeprovision
InterpreterPath: /usr/bin/python2.7
ProcCmdline: python /usr/share/samba/setup/upgradeprovision --full
ProcEnviron:
 LANG=it_IT.UTF-8
 SHELL=/bin/bash
PythonArgs: ['/usr/share/samba/setup/upgradeprovision', '--full']
SourcePackage: samba4
Title: upgradeprovision crashed with ImportError in __main__: libwbclient.so: cannot open shared object file: No such file or directory
Traceback:
 Traceback (most recent call last):
   File "/usr/share/samba/setup/upgradeprovision", line 42, in <module>
     from samba.auth import system_session, admin_session
 ImportError: libwbclient.so: cannot open shared object file: No such file or directory
UserGroups: adm admin audio cdrom dialout dip fax fuse lpadmin netdev plugdev root sambashare tape vboxusers video

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make Ubuntu better. This particular crash has already been reported and is a duplicate of bug #713532, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.