Update hyperparameter optimization code for Optuna v3.0.0 #3747
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Motivation
Optuna v3.0.0 was released in 29 August 2022, and
Trial.suggest_uniform
was deprecated. Please useTrial.suggest_float
as described in the migration guide.Changes
This PR simply replace
Trial.suggest_uniform
withTrial.suggest_float
. This does not change the behavior sinceTrial.suggest_uniform
is now just an alias ofTrial.suggest_float
as can be seen in this source code.