python2.7 crashed with SIGSEGV in __find_specmb()

[Haris]

Python 2.7.3rc2 (default, Mar 21 2012, 21:13:11)
[GCC 4.6.3] on linux2
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/usr/lib/python2.7/dist-packages/gobject/constants.py:24: Warning: g_boxed_type_register_static: assertion `g_type_from_name (name) == 0' failed
  import gobject._gobject
/usr/lib/python2.7/dist-packages/gtk-2.0/gtk/__init__.py:40: Warning: g_boxed_type_register_static: assertion `g_type_from_name (name) == 0' failed
  from gtk import _gtk

** (python:21910): CRITICAL **: pyg_register_boxed: assertion `boxed_type != 0' failed
/usr/lib/python2.7/dist-packages/gtk-2.0/gtk/__init__.py:40: Warning: cannot register existing type `GdkDevice'
  from gtk import _gtk
/usr/lib/python2.7/dist-packages/gtk-2.0/gtk/__init__.py:40: Warning: g_type_get_qdata: assertion `node != NULL' failed
  from gtk import _gtk
Segmentation fault (core dumped)

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: python2.7-minimal 2.7.3~rc2-1ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-22.35-generic 3.2.14
Uname: Linux 3.2.0-22-generic i686
ApportVersion: 2.0-0ubuntu4
Architecture: i386
Date: Fri Apr 6 16:56:46 2012
ExecutablePath: /usr/bin/python2.7
InstallationMedia: Kubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
ProcCmdline: python
ProcEnviron:
 TERM=xterm
 SHELL=/bin/bash
 PATH=(custom, user)
 LANG=en_US.UTF-8
SegvReason: writing unknown VMA
Signal: 11
SourcePackage: python2.7
Title: python2.7 crashed with SIGSEGV in g_return_if_fail_warning()
UpgradeStatus: Upgraded to precise on 2012-03-24 (12 days ago)
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