fix style

WeichenXu123 · WeichenXu123 · commit ae13440fd222 · 2017-09-13T00:05:16.000+08:00
diff --git a/mllib/src/test/scala/org/apache/spark/ml/tuning/CrossValidatorSuite.scala b/mllib/src/test/scala/org/apache/spark/ml/tuning/CrossValidatorSuite.scala
@@ -20,7 +20,6 @@ package org.apache.spark.ml.tuning
 import java.io.File
 
 import org.apache.spark.SparkFunSuite
-
 import org.apache.spark.ml.{Estimator, Model, Pipeline}
 import org.apache.spark.ml.classification.{LogisticRegression, LogisticRegressionModel, OneVsRest}
 import org.apache.spark.ml.classification.LogisticRegressionSuite.generateLogisticInput
diff --git a/mllib/src/test/scala/org/apache/spark/ml/tuning/TrainValidationSplitSuite.scala b/mllib/src/test/scala/org/apache/spark/ml/tuning/TrainValidationSplitSuite.scala
@@ -20,7 +20,6 @@ package org.apache.spark.ml.tuning
 import java.io.File
 
 import org.apache.spark.SparkFunSuite
-
 import org.apache.spark.ml.{Estimator, Model}
 import org.apache.spark.ml.classification.{LogisticRegression, LogisticRegressionModel, OneVsRest}
 import org.apache.spark.ml.classification.LogisticRegressionSuite.generateLogisticInput
