From 01be52894d171eb2260f8b051bed7b5712aca240 Mon Sep 17 00:00:00 2001 From: Jonathan Frederic Date: Wed, 27 May 2015 16:56:18 -0700 Subject: [PATCH] Add errback to JS init. --- notebook/static/notebook/js/main.js | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/notebook/static/notebook/js/main.js b/notebook/static/notebook/js/main.js index d69d125bb..eee8709a2 100644 --- a/notebook/static/notebook/js/main.js +++ b/notebook/static/notebook/js/main.js @@ -53,7 +53,9 @@ require([ // BEGIN HARDCODED WIDGETS HACK // Don't include in above require call, avoiding r.js // and crash on import failure. - require(['nbextensions/widgets/notebook/js/extension'], function(){}); + require(['nbextensions/widgets/notebook/js/extension'], function(){}, function(err) { + console.error('ipywidgets package not installed. Widgets are not available.'); + }); // END HARDCODED WIDGETS HACK // compat with old IPython, remove for IPython > 3.0