def delete_cached_image(self, req, image_id):
        self.cache.delete_cached_image(image_id)
Store the exception. Wake up the waiters.
dataset/ETHPy150Open rcbops/glance-buildpackage/glance/api/cached_images.py/Controller.delete_cached_image--crossover with--dataset/ETHPy150Open python-zk/kazoo/kazoo/handlers/utils.py/AsyncResult.set_exception