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
index 089019dd8b0a1..7acf765869693 100644
--- a/mllib/src/test/scala/org/apache/spark/ml/tuning/TrainValidationSplitSuite.scala
+++ b/mllib/src/test/scala/org/apache/spark/ml/tuning/TrainValidationSplitSuite.scala
@@ -14,7 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-  
+
 package org.apache.spark.ml.tuning
 
 import org.apache.spark.SparkFunSuite
@@ -33,7 +33,7 @@ class TrainValidationSplitSuite extends SparkFunSuite with MLlibTestSparkContext
   test("train validation with logistic regression") {
     val dataset = sqlContext.createDataFrame(
       sc.parallelize(generateLogisticInput(1.0, 1.0, 100, 42), 2))
-    
+
     val lr = new LogisticRegression
     val lrParamMaps = new ParamGridBuilder()
       .addGrid(lr.regParam, Array(0.001, 1000.0))
@@ -52,7 +52,7 @@ class TrainValidationSplitSuite extends SparkFunSuite with MLlibTestSparkContext
     assert(parent.getMaxIter === 10)
     assert(cvModel.avgMetrics.length === lrParamMaps.length)
   }
-  
+
   test("train validation with linear regression") {
     val dataset = sqlContext.createDataFrame(
         sc.parallelize(LinearDataGenerator.generateLinearInput(
@@ -82,7 +82,7 @@ class TrainValidationSplitSuite extends SparkFunSuite with MLlibTestSparkContext
     assert(parent2.getMaxIter === 10)
     assert(cvModel2.avgMetrics.length === lrParamMaps.length)
   }
-  
+
   test("validateParams should check estimatorParamMaps") {
     import TrainValidationSplitSuite._