From 04c5aec0723aae2d6742bafb5e20d39ba37ef130 Mon Sep 17 00:00:00 2001
From: Thomas Kluyver <thomas@kluyver.me.uk>
Date: Tue, 22 Aug 2017 10:53:12 +0100
Subject: [PATCH] Catch errors from queueing Mathjax resetEquationNumbers call.

---
 notebook/static/base/js/utils.js | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/notebook/static/base/js/utils.js b/notebook/static/base/js/utils.js
index c88a9fc9d..4e1c60532 100644
--- a/notebook/static/base/js/utils.js
+++ b/notebook/static/base/js/utils.js
@@ -940,12 +940,16 @@ define([
         if(!window.MathJax){
             return;
         }
-        return $el.map(function(){
+        $el.map(function(){
             // MathJax takes a DOM node: $.map makes `this` the context
-            return MathJax.Hub.Queue(
-                ["Typeset", MathJax.Hub, this],
-                ["resetEquationNumbers",MathJax.InputJax.TeX]
-            );
+            MathJax.Hub.Queue(["Typeset", MathJax.Hub, this]);
+            try {
+                MathJax.Hub.Queue(
+                    ["resetEquationNumbers", MathJax.InputJax.TeX]
+                );
+            } catch (e) {
+                console.error("Error queueing resetEquationNumbers:", e);
+            }
         });
     };