[Minor] style fix for previous commit f24316e6

core/src/main/scala/org/apache/spark/SparkContext.scala

@@ -265,6 +265,7 @@ class SparkContext(config: SparkConf) extends Logging with ExecutorAllocationCli
   val tachyonFolderName = externalBlockStoreFolderName
 
   def isLocal: Boolean = (master == "local" || master.startsWith("local["))
+
   /**
    * @return true if context is stopped or in the midst of stopping.
    */