optuna 0.18.1

v0.18.1

on Python PyPI

This is the release note of v0.18.1. See here for the complete list of solved issues and merged PRs.

Bug Fixes

• Fix import optuna failure on Python2.7 environment without LightGBM installed. (#674)

Examples

• Change subsample's low value from 0 to 0.1 in the catboost example. (#678)