From 311a4c70e8ffce3b80312c88e54f79f004eb3cbe Mon Sep 17 00:00:00 2001
From: Kyle Kelley <rgbkrk@gmail.com>
Date: Wed, 12 Aug 2020 13:40:19 -0700
Subject: [PATCH] Title new buttons with label if action undefined

---
 notebook/static/notebook/js/toolbar.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/notebook/static/notebook/js/toolbar.js b/notebook/static/notebook/js/toolbar.js
index 295975c302..0022c44287 100644
--- a/notebook/static/notebook/js/toolbar.js
+++ b/notebook/static/notebook/js/toolbar.js
@@ -92,10 +92,14 @@ define(['jquery','base/js/i18n'], function($, i18n) {
                     action = that.actions.get(el.action);
                     action_name = el.action
                 }
+                var title = el.label;
+                if(action && action.help) {
+                    title = i18n.msg._(action.help) || el.label;
+                }
                 var button  = $('<button/>')
                     .addClass('btn btn-default')
                     .attr("aria-label", el.label)
-                    .attr("title", i18n.msg._(action.help)||el.label)
+                    .attr("title", title)
                     .append(
                         $("<i/>").addClass(el.icon||(action||{icon:'fa-exclamation-triangle'}).icon).addClass('fa')
                     );