Fails to load widgets that use the pygi bindings

With the move to disallow importing of static modules alongside pygi, glade no longer loads widgets built with the latter:

evan@poppy-dev:~/bzr/ubiquity$ GLADE_CATALOG_PATH=/home/evan/bzr/ubiquity/gui/gtk GLADE_MODULE_PATH=/home/evan/bzr/ubiquity/ubiquity glade
Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "/home/evan/bzr/ubiquity/ubiquity/gtkwidgets.py", line 3, in <module>
    from gi.repository import Gtk, Gdk, GObject, Pango
  File "/usr/lib/python2.7/dist-packages/gi/__init__.py", line 23, in <module>
    from ._gi import _API, Repository
ImportError: could not import gobject (error was: ImportError('When using gi.repository you must not import static modules like "gobject". Please change all occurrences of "import gobject" to "from gi.repository import GObject".',))
Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "/home/evan/bzr/ubiquity/ubiquity/nm.py", line 5, in <module>
    from gi.repository import Gtk, GObject
  File "/usr/lib/python2.7/dist-packages/gi/__init__.py", line 23, in <module>
    from ._gi import _API, Repository
ImportError: cannot import name _API