The following code throws an error (BCE0015: Node 'Child.stuff' has not been correctly processed.) class Base(): public pubs as string class Child(base): class ChildBase(): pass class ChildChild(Child.ChildBase): pass public stuff as string def foo(): return "foo" class StepChild(base): public stuff as string def foo(): return "foo" class ChildBase(): pass class ChildChild(StepChild.ChildBase): pass