From f11fbe8844b493d427ba7ab579ec3617c74e09ef Mon Sep 17 00:00:00 2001
From: Min RK <benjaminrk@gmail.com>
Date: Mon, 26 Jan 2015 11:22:22 -0800
Subject: [PATCH] add missing `that = this`

---
 IPython/html/static/tree/js/notebooklist.js | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/IPython/html/static/tree/js/notebooklist.js b/IPython/html/static/tree/js/notebooklist.js
index e98415fdd..de0238157 100644
--- a/IPython/html/static/tree/js/notebooklist.js
+++ b/IPython/html/static/tree/js/notebooklist.js
@@ -597,12 +597,13 @@ define([
         /**
          * Remove the deleted notebook.
          */
+        var that = this;
         $( ":data(path)" ).each(function() {
             var element = $(this);
-            if (element.data("path") == path) {
+            if (element.data("path") === path) {
                 element.remove();
                 events.trigger('notebook_deleted.NotebookList');
-                this._selection_changed();
+                that._selection_changed();
             }
         });
     };