Fix deprecated Optuna API in hyperparameter examples#2141
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Fix deprecated Optuna API in hyperparameter examples#2141universeplayer wants to merge 1 commit intomicrosoft:mainfrom
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Replace deprecated Optuna API calls with their modern equivalents: - `trial.suggest_uniform()` -> `trial.suggest_float()` - `trial.suggest_loguniform()` -> `trial.suggest_float(..., log=True)` - `optuna.Study()` -> `optuna.create_study()` These deprecated APIs were removed in Optuna v4.0 and will cause errors for users following the examples with recent Optuna versions. Ref: https://optuna.readthedocs.io/en/stable/reference/generated/optuna.trial.Trial.html Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Summary
trial.suggest_uniform()→trial.suggest_float()trial.suggest_loguniform()→trial.suggest_float(..., log=True)optuna.Study()→optuna.create_study()Motivation
These deprecated APIs were removed in Optuna v4.0 (changelog). Users following the hyperparameter tuning examples with recent Optuna versions will encounter
AttributeErrorexceptions.This is part of the broader effort in #1007 to refine deprecated API usage across the codebase.
Changes
examples/hyperparameter/LightGBM/hyperparameter_158.py: 8 API call replacementsexamples/hyperparameter/LightGBM/hyperparameter_360.py: 8 API call replacementsTest plan
suggest_floatwithlog=Trueproduces the same log-uniform distribution assuggest_loguniform🤖 Generated with Claude Code