Github user BryanCutler commented on a diff in the pull request: https://github.com/apache/spark/pull/19278#discussion_r139850475 --- Diff: mllib/src/main/scala/org/apache/spark/ml/tuning/CrossValidator.scala --- @@ -283,6 +282,8 @@ object CrossValidatorModel extends MLReadable[CrossValidatorModel] { ValidatorParams.validateParams(instance) + protected var shouldPersistSubModels: Boolean = false + --- End diff -- Is this included by accident?
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