for link_class in ("docker_image_repo+tag", "docker_image_hash"):
docker_links = src.links().list(filters=[["head_uuid", "=", collection_uuid], ["link_class", "=", link_class]]).execute(num_retries=args.retries)['items']
for link_class in ("docker_image_repo+tag", "docker_image_hash"):
docker_links = src.links().list(filters=[["head_uuid", "=", collection_uuid], ["link_class", "=", link_class]]).execute(num_retries=args.retries)['items']