Merge pull request #2681 from gnestor/fix-prompt-overlay

Fix hidden prompt overlay button

Author: Carreau

notebook/static/notebook/js/outputarea.js

@@ -77,7 +77,6 @@ define([
 
     OutputArea.prototype.style = function () {
         this.collapse_button.hide();
-        this.prompt_overlay.hide();
 
         this.wrapper.addClass('output_wrapper');
         this.element.addClass('output');