Inheritance and inner classes in Python?

Question

In the following code class B has inherited yay attribute from class A, I expected this. I\'d also expect that inner class B.Foo

Answer 1

Inheritance is a per-class thing. In your code class B inherits from class A, but just because both of them have inner class Foo doesn't tell us anything about their inheritance.

If you want B.Foo to have the attributes from A.Foo, you need to make B.Foo inherit from A.Foo:

class B(A):
    class Foo(A.Foo):
        bob = False