fix style

Wayne Zhang · Wayne Zhang · commit ff9b1d66873e · 2017-05-08T21:52:20.000-07:00
diff --git a/mllib/src/main/scala/org/apache/spark/ml/feature/StringIndexer.scala b/mllib/src/main/scala/org/apache/spark/ml/feature/StringIndexer.scala
@@ -20,6 +20,7 @@ package org.apache.spark.ml.feature
 import java.util.Locale
 
 import scala.language.existentials
+
 import org.apache.hadoop.fs.Path
 
 import org.apache.spark.SparkException
