@property
    def image(self):
        # Dereference our weakref and check that the parent Image stil exists
        image = self._image()
        if image is not None:
            return image
        raise ClosedImageError(
            'parent Image of {0!r} has been destroyed'.format(self)
        )
Return the list of keys that we allow to be specified in a config file. Subclasses can override this method but
dataset/ETHPy150Open dahlia/wand/wand/image.py/ImageProperty.image--crossover with--dataset/ETHPy150Open box/ClusterRunner/app/util/conf/base_config_loader.py/BaseConfigLoader._get_config_file_whitelisted_keys