optuna.exceptions

The exceptions module defines Optuna-specific exceptions deriving from a base OptunaError class. Of special importance for library users is the TrialPruned exception to be raised if optuna.trial.Trial.should_prune() returns True for a trial that should be pruned.

OptunaError	Base class for Optuna specific errors.
TrialPruned	Exception for pruned trials.
CLIUsageError	Exception for CLI.
StorageInternalError	Exception for storage operation.
DuplicatedStudyError	Exception for a duplicated study name.
UpdateFinishedTrialError	Exception for updating a finished trial.