def _fill(self, background_shape, img):
        assert img.ndim in [3, 1]
        if img.ndim == 3:
            return_shape = background_shape % (3,)
        else:
            return_shape = background_shape
        return np.zeros(return_shape) + self.value
dataset/ETHPy150Open ppwwyyxx/tensorpack/tensorpack/dataflow/imgaug/paste.py/ConstantBackgroundFiller._fill/operator `+` -> `%`