@property
    def format(self):
        rv = self._get_image_info()[0]
        if rv is not None:
            return rv
        return Undefined('The format of the image could not be determined.')
Optional `field` query parameter (can be list) allows to limit what fields are returned.
dataset/ETHPy150Open lektor/lektor/lektor/db.py/Image.format--crossover with--dataset/ETHPy150Open opennode/nodeconductor/nodeconductor/structure/views.py/_BaseResourceViewSet.retrieve