oneiric import fail

$ python
Python 2.7.2+ (default, Aug 16 2011, 07:29:45)
[GCC 4.6.1] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import pyatspi
>>> from gi.repository import Gtk
>>> from gi.repository import Gdk
/usr/lib/python2.7/dist-packages/gi/module.py:123: Warning: cannot register existing type `EventType'
  wrapper = enum_register_new_gtype_and_add(info)

** (.:9990): CRITICAL **: pyg_enum_add: assertion `typename != NULL' failed
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/usr/lib/python2.7/dist-packages/gi/importer.py", line 76, in load_module
    dynamic_module._load()
  File "/usr/lib/python2.7/dist-packages/gi/module.py", line 224, in _load
    overrides_modules = __import__('gi.overrides', fromlist=[self._namespace])
  File "/usr/lib/python2.7/dist-packages/gi/overrides/Gdk.py", line 117, in <module>
    Gdk.EventType._2BUTTON_PRESS = getattr(Gdk.EventType, "2BUTTON_PRESS")
  File "/usr/lib/python2.7/dist-packages/gi/module.py", line 123, in __getattr__
    wrapper = enum_register_new_gtype_and_add(info)
SystemError: error return without exception set