apport-gtk crashed with ImportError in <module>()

[tts]

Binary package hint: apport

__

ProblemType: Crash
Architecture: amd64
Date: Sat Oct 31 07:07:55 2009
DistroRelease: Ubuntu 9.10
ExecutablePath: /usr/share/apport/apport-gtk
InterpreterPath: /usr/bin/python2.6
NonfreeKernelModules: nvidia
Package: apport-gtk 1.9.3-0ubuntu4
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/share/apport/apport-gtk
ProcCwd: /home/tomasz
ProcEnviron:
 LANG=pl_PL.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-14.48-generic
PythonArgs: ['/usr/share/apport/apport-gtk']
SourcePackage: apport
Title: apport-gtk crashed with ImportError in <module>()
Traceback:
 Traceback (most recent call last):
   File "/usr/share/apport/apport-gtk", line 16, in <module>
     from apport import unicode_gettext as _
 ImportError: cannot import name unicode_gettext
Uname: Linux 2.6.31-14-generic x86_64
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare