ob.OnPublicStaticEvent(EventArgsTest(10))
        assert handler.value == 20
    
        ob.PublicStaticEvent -= h1
    
        ob.OnPublicStaticEvent(EventArgsTest(10))
>       assert handler.value == 30
E       assert 40 == 30
E        +  where 40 = <tests.utils.MultipleHandler object at ADDR>.value

tests\test_event.py:419: AssertionError