Method __array_finalize__

numpy/core/tests/test_indexing.py:356–358

(self, old)

    def test_nonbaseclass_values(self):
        class SubClass(np.ndarray):
            def __array_finalize__(self, old):
                # Have array finalize do funny things
                self.fill(99)

        a = np.zeros((5, 5))
        s = a.copy().view(type=SubClass)