Problem with PyGTK/Glade2 ComboBox vs ComboEntryBox

[j_mckitrick]

> Ah this has changed in gtk 2.4
> http://developer.gnome.org/doc/API/2.2/gtk/gtk-migrating-GtkComboBox.html
> The docs on pygtk.org are out of date, mutter...
> Are you sure (your) pygtk supports the newer model?

I have no idea.  I have what I believe to be the latest pygtk - 2.2.0.

This has been frustrating me for a while.  Is there a workaround?