add experimental to new method

01-vyom · May 28, 2021 · 296e025 · 296e025
1 parent 22cab9f
commit 296e025
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/optuna/_callbacks.py b/optuna/_callbacks.py
@@ -117,6 +117,7 @@ def __call__(self, study: "optuna.study.Study", trial: FrozenTrial) -> None:
             )
         )
 
+    @experimental("2.8.0")
     @staticmethod
     def retried_trial_number(trial: FrozenTrial) -> Optional[int]:
         """Return the number of the trial being retried.