For example, the following code would report an error:

    class base():
         def foo(self) -> None:
             print('Base!')

    def placement(self) -> None:
         super().foo()

    class child(base):
         def foo(self) -> None:
             pass
         foo = placement

    child().foo()

RuntimeError: super(): __class__ cell not found


However, it would be OK if `placement` is defined inside the class:

    class base():
         def foo(self) -> None:
             print('Base!')

    class child(base):
         def placement(self) -> None:
             super().foo()
         def foo(self) -> None:
             pass
         foo = placement

    child().foo()

which prints:

    Base!


I think it would be natural if those functions that was defined outside
a class, but then rebound into a class, can see magic variables like
__class__ that are only shared by those functions defined inside a class.


Thank you!


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