Fixed indentation in widgetmanager.js

IPython/html/static/notebook/js/widgetmanager.js

@@ -77,11 +77,11 b''
                 console.log("Could not determine where the display" + 
                         " message was from.  Widget will not be displayed");
                 } else {
-                var view = this.create_view(model, 
-                                msg.content.data.view_name, cell);
+                        var view = this.create_view(model, msg.content.data.view_name, cell);
                 if (view !== undefined 
                     && cell.widget_subarea !== undefined 
                     && cell.widget_subarea !== null) {
+                            
                                 cell.widget_area.show();
                                 cell.widget_subarea.append(view.$el);
                 }