def METHOD_NAME():
    assert A.__name__ == "A"
    assert A.__qualname__ == "A"
    assert A.__module__ == __name__, "should be '%s' but was '%s'" % (__name__, A.__module__)
    assert A.B.__name__ == "B"
    assert A.B.__qualname__ == "A.B"
    assert A.B.__module__ == __name__