Class SomeClass

numpy/core/tests/test_multiarray.py:3942–3944

    def test_ufunc_override_normalize_signature(self):
        # gh-5674
        class SomeClass:
            def __array_ufunc__(self, ufunc, method, *inputs, **kw):
                return kw

        a = SomeClass()
        kw = np.add(a, [1])