diff --git a/core/src/main/scala/org/apache/spark/api/python/PythonRDD.scala b/core/src/main/scala/org/apache/spark/api/python/PythonRDD.scala
index 98412f1faa9ea..6f5d3dda377de 100644
--- a/core/src/main/scala/org/apache/spark/api/python/PythonRDD.scala
+++ b/core/src/main/scala/org/apache/spark/api/python/PythonRDD.scala
@@ -383,6 +383,7 @@ private[spark] object PythonRDD extends Logging {
         dataOut.write(bytes)
       }
     }
+
     def writeS(str: String) {
       if (str == null) {
         dataOut.writeInt(SpecialLengths.NULL)
@@ -390,6 +391,7 @@ private[spark] object PythonRDD extends Logging {
         writeUTF(str, dataOut)
       }
     }
+
     if (iter.hasNext) {
       val first = iter.next()
       val newIter = Seq(first).iterator ++ iter