From 6fbfade942f41cbdab52edbb7e538f71893a8a41 Mon Sep 17 00:00:00 2001
From: Alex de Mulder <alex@almende.org>
Date: Thu, 30 Jul 2015 20:40:24 +0200
Subject: [PATCH] rebuilt

---
 dist/vis.js | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/dist/vis.js b/dist/vis.js
index fff79531..a43d0fcc 100644
--- a/dist/vis.js
+++ b/dist/vis.js
@@ -15844,8 +15844,10 @@ return /******/ (function(modules) { // webpackBootstrap
     }
 
     // remove event listener on window.resize
-    util.removeEventListener(window, 'resize', this._onResize);
-    this._onResize = null;
+    if (this._onResize) {
+      util.removeEventListener(window, 'resize', this._onResize);
+      this._onResize = null;
+    }
   };
 
   /**