Method _persistent_load

Lib/test/test_pickle.py:327–331

(subself, pid)

            def persistent_load(subself, pid):
                raise AssertionError('should never be called')
            def _persistent_load(subself, pid):
                called.append(pid)
                with self.assertRaises(self.persistent_load_error):
                    super().persistent_load(pid)
                return pid

        for proto in range(pickle.HIGHEST_PROTOCOL + 1):
            unpickler = PersUnpickler(io.BytesIO(self.dumps('abc', proto)))