gnome-sudoku crash with ImportError

[Thierry Volpiatto]

Description: Ubuntu 14.04 LTS
Release: 14.04
gnome-sudoku:
  Installé : 1:3.10.2-0ubuntu2
  Candidat : 1:3.10.2-0ubuntu2
 Table de version :
 *** 1:3.10.2-0ubuntu2 0
        500 http://bouyguestelecom.ubuntu.lafibre.info/ubuntu/ trusty/main amd64 Packages
        100 /var/lib/dpkg/status

Here the backtrace:

thierry@dell-14z:~$ gnome-sudoku
Traceback (most recent call last):
  File "/usr/games/gnome-sudoku", line 23, in <module>
    start_game()
  File "/usr/lib/python3/dist-packages/gnome_sudoku/gnome_sudoku.py", line 24, in start_game
    from . import main
  File "/usr/lib/python3/dist-packages/gnome_sudoku/main.py", line 5, in <module>
    import gi
  File "/usr/lib/python2.7/dist-packages/gi/__init__.py", line 36, in <module>
    from ._gi import _gobject
ImportError: /usr/lib/python2.7/dist-packages/gi/_gi.so: undefined symbol: _Py_ZeroStruct
Error in sys.excepthook:
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/apport_python_hook.py", line 63, in apport_excepthook
    from apport.fileutils import likely_packaged, get_recent_crashes
  File "/usr/lib/python3/dist-packages/apport/__init__.py", line 5, in <module>
    from apport.report import Report
  File "/usr/lib/python3/dist-packages/apport/report.py", line 30, in <module>
    import apport.fileutils
  File "/usr/lib/python3/dist-packages/apport/fileutils.py", line 23, in <module>
    from apport.packaging_impl import impl as packaging
  File "/usr/lib/python3/dist-packages/apport/packaging_impl.py", line 20, in <module>
    import apt
  File "/usr/lib/python2.7/dist-packages/apt/__init__.py", line 23, in <module>
    import apt_pkg
ImportError: /usr/lib/python2.7/dist-packages/apt_pkg.so: undefined symbol: _Py_ZeroStruct

Original exception was:
Traceback (most recent call last):
  File "/usr/games/gnome-sudoku", line 23, in <module>
    start_game()
  File "/usr/lib/python3/dist-packages/gnome_sudoku/gnome_sudoku.py", line 24, in start_game
    from . import main
  File "/usr/lib/python3/dist-packages/gnome_sudoku/main.py", line 5, in <module>
    import gi
  File "/usr/lib/python2.7/dist-packages/gi/__init__.py", line 36, in <module>
    from ._gi import _gobject
ImportError: /usr/lib/python2.7/dist-packages/gi/_gi.so: undefined symbol: _Py_ZeroStruct