except (IOError, OSError) as error:
abort("can't write to '{}': {}".format(args.destination, error))
except (arvados.errors.ApiError, arvados.errors.KeepReadError) as error:
except (IOError, OSError) as error:
abort("can't write to '{}': {}".format(args.destination, error))
except (arvados.errors.ApiError, arvados.errors.KeepReadError) as error: