pylint #9109 pyreverse crash on "number_box.py" [open]

pyreverse crashes on number_box.py

Traceback (most recent call last):
 File "/usr/bin/pyreverse", line 4, in <module>
   main.Run(sys.argv[1:])
 File "/home/emile/src/pylint/pyreverse/main.py", line 120, in __init__
   PyreverseCommand(args)
 File "/home/emile/src/pylint/pyreverse/main.py", line 99, in __init__
   self.run(args)
 File "/home/emile/src/pylint/pyreverse/main.py", line 109, in run
   diadefs = handler.get_diadefs(project, linker)
 File "/home/emile/src/pylint/pyreverse/diadefslib.py", line 228, in get_diadefs
   diagram.extract_relationships()
 File "/home/emile/src/pylint/pyreverse/diagrams.py", line 150, in extract_relationships
   obj.attrs = self.get_attrs(node)
 File "/home/emile/src/pylint/pyreverse/diagrams.py", line 86, in get_attrs
   names = self.class_names(ass_nodes)
 File "/home/emile/src/pylint/pyreverse/diagrams.py", line 110, in class_names
   ass_node = ass_node._proxied
 File "/home/emile/src/logilab/astng/inference.py", line 54, in _set_proxied
   const.__proxied = _CONST_PROXY[const.value.__class__]
KeyError: <class 'gtk._gtk.StateType'>