Github user BryanCutler commented on a diff in the pull request: https://github.com/apache/spark/pull/19904#discussion_r157957676 --- Diff: mllib/src/main/scala/org/apache/spark/ml/tuning/CrossValidator.scala --- @@ -18,6 +18,7 @@ package org.apache.spark.ml.tuning import java.util.{List => JList, Locale} +import java.util.concurrent.atomic.AtomicInteger --- End diff -- not needed anymore
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