diff --git a/optuna/visualization/_hypervolume_history.py b/optuna/visualization/_hypervolume_history.py index c1fff4b877..39e6c23e53 100644 --- a/optuna/visualization/_hypervolume_history.py +++ b/optuna/visualization/_hypervolume_history.py @@ -1,7 +1,7 @@ from __future__ import annotations +from collections.abc import Sequence from typing import NamedTuple -from typing import Sequence import numpy as np