Fix optuna CI by pinning + move to latest ray master

ray-project / tune-sklearn

A drop-in replacement for Scikit-Learn’s GridSearchCV / RandomizedSearchCV -- but with cutting edge hyperparameter tuning techniques.

https://docs.ray.io/en/master/tune/api_docs/sklearn.html

Apache License 2.0

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Fix optuna CI by pinning + move to latest ray master #178

Closed richardliaw closed 3 years ago

richardliaw commented 3 years ago

cc @krfricke

Yard1 commented 3 years ago

Is there some sort of a version check for Optuna in Tune? If it won't work with the current version it'd be best to let users know. Disregard if it's there already!

richardliaw commented 3 years ago

ah @Yard1 the master version of Ray will work with all versions of Optuna! (including 2.4)