Github user BryanCutler commented on a diff in the pull request: https://github.com/apache/spark/pull/19278#discussion_r139850997 --- Diff: mllib/src/main/scala/org/apache/spark/ml/tuning/TrainValidationSplit.scala --- @@ -122,7 +123,7 @@ class TrainValidationSplit @Since("1.5.0") (@Since("1.5.0") override val uid: St // Fit models in a Future for training in parallel logDebug(s"Train split with multiple sets of parameters.") - val modelFutures = epm.map { paramMap => + val modelFutures = epm.map { case paramMap => --- End diff -- Was this intentional?
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