def __call__(self, event):
        if event.added != self.added:
            print "\n\n******Error\nevent.added:", event.added
        else:
            self.obj.assertEqual(event.added, self.added)
        self.obj.assertEqual(event.changed, self.changed)
        self.obj.assertEqual(event.removed, self.removed)
        self.called = True
        return
dataset/ETHPy150Open enthought/traits/traits/tests/test_container_events.py/Callback.__call__/original