From c1e4e41f5e85411cc3073204aadca1d1418304df Mon Sep 17 00:00:00 2001
From: Wilson Wu <wilson888888888@gmail.com>
Date: Sat, 12 Mar 2016 23:24:17 -0800
Subject: [PATCH] merge in master

---
 core/src/test/scala/org/apache/spark/ContextCleanerSuite.scala | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/src/test/scala/org/apache/spark/ContextCleanerSuite.scala b/core/src/test/scala/org/apache/spark/ContextCleanerSuite.scala
index 630753c9ff039..ae726f7794ea1 100644
--- a/core/src/test/scala/org/apache/spark/ContextCleanerSuite.scala
+++ b/core/src/test/scala/org/apache/spark/ContextCleanerSuite.scala
@@ -577,7 +577,7 @@ class CleanerTester(
     }
   }
 
-  private def uncleanedResourcesToString: String = {
+  private def uncleanedResourcesToString = {
     val s1 = {toBeCleanedRDDIds.synchronized {
       toBeCleanedRDDIds.toSeq.sorted.mkString("[", ", ", "]")}
     }