Fix by linters

HideakiImamura · Oct 5, 2023 · 17efa39 · 17efa39
1 parent 64b6159
commit 17efa39
Showing 1 changed file with 0 additions and 1 deletion.
diff --git a/optuna/visualization/_pareto_front.py b/optuna/visualization/_pareto_front.py
@@ -1,6 +1,5 @@
 from __future__ import annotations
 
-import collections
 from collections.abc import Callable
 from collections.abc import Sequence
 from typing import Any