| 2728 | |
| 2729 | |
| 2730 | class AddsHandler(DefinesHandler): |
| 2731 | child_called = False |
| 2732 | |
| 2733 | @observe("trait") |
| 2734 | def child_handler(self, change): |
| 2735 | self.child_called = True |
| 2736 | |
| 2737 | |
| 2738 | def test_subclass_add_observer(): |
no outgoing calls
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