Method _validate_input

numpy/ma/tests/test_subclassing.py:117–120

(self, value)

        return f'<{self.__class__.__name__} {self}>'

    def _validate_input(self, value):
        if not isinstance(value, ComplicatedSubArray):
            raise ValueError("Can only set to MySubArray values")
        return value

    def __setitem__(self, item, value):
        # validation ensures direct assignment with ndarray or