apport-gtk crashed with AttributeError in _full_callback(): Handler on_show_details_clicked not found

[Nest]

Happend during the first upgrade after installing Ubungu 12.04 from an image that is a few days old.

ProblemType: Crash
Date: Fri Feb 24 10:27:21 2012
ExecutablePath: /usr/share/apport/apport-gtk
ExecutableTimestamp: 1330009710
InterpreterPath: /usr/bin/python2.7
ProcCmdline: /usr/bin/python /usr/share/apport/apport-gtk
ProcCwd: /home/johndoe
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
PythonArgs: ['/usr/share/apport/apport-gtk']
Traceback:
 Traceback (most recent call last):
   File "/usr/lib/python2.7/dist-packages/gi/overrides/Gtk.py", line 348, in _full_callback
     raise AttributeError('Handler %s not found' % handler_name)
 AttributeError: Handler on_show_details_clicked not found
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[Martin Pitt (pitti)]

I mark this as a duplicate of bug 939702. While it's not the same error message, the fundamental reason seems to be the same (differening apport-gtk and python-apport versions), so the same fix should apply.