Newlines between classes do not get added when the last method of one ends with ellipses

[blankRiot96]

Describe the style change

Add two newlines between classes

Examples in the current Black style

class Foo:
    def test(): ...
class Bar:
    pass

Desired style

class Foo:
    def test(): ...


class Bar:
    pass

Additional context

black version

black, 24.4.2 (compiled: yes)
Python (CPython) 3.12.4