Class A

Lib/test/support/__init__.py:2083–2090

    done = False
    def wrapper():
        class A(cls):
            def __del__(self):
                nonlocal done
                done = True
                try:
                    next(it)
                except StopIteration:
                    pass

        it = iter(A(*args))
        # Issue 26494: Shouldn't crash