Method __array_wrap__

numpy/core/tests/test_umath.py:3062–3066

(self, arr, context)

                return np.zeros(1)

            def __array_wrap__(self, arr, context):
                r = type(self)()
                r.arr = arr
                r.context = context
                return r

        class B(A):
            __array_priority__ = 20.