Merge pull request #7 from optuna/use-future-annotations

Use __future__.annotations

package/samplers/simple/__init__.py

@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 import abc
 from typing import Any
 

package/samplers/simulated_annealing/simulated_annealing.py

@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 from typing import Any
 
 import numpy as np

package/visualization/plot_hypervolume_history_with_rp/__init__.py

@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 from collections.abc import Sequence
 
 import optuna

recipes/001_first.py

@@ -25,6 +25,8 @@
 
 ###################################################################################################
 # First of all, import `optuna`, `optunahub`, and other necessary modules.
+from __future__ import annotations
+
 import os
 from typing import Any
 

update_readme.py

@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 from enum import Enum
 from enum import unique
 import glob