From 28e31150b98030ad5e82159ffdaeb9c5b3582613 Mon Sep 17 00:00:00 2001
From: Joseph Schorr <joseph.schorr@coreos.com>
Date: Fri, 17 Oct 2014 11:33:03 -0400
Subject: [PATCH] Fix small possible NPE

---
 static/js/graphing.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/static/js/graphing.js b/static/js/graphing.js
index d1b3b92b5..3ab543f65 100644
--- a/static/js/graphing.js
+++ b/static/js/graphing.js
@@ -901,7 +901,7 @@ ImageHistoryTree.prototype.toggle_ = function(d) {
 ImageHistoryTree.prototype.dispose = function() {
   var container =  this.container_ ;
   $('#' + container).removeOverscroll();
-  document.getElementById(container).innerHTML = '';
+  $('#' + container).html();
 };
 
 ////////////////////////////////////////////////////////////////////////////////