yep

www/js/autodoc.js

@@ -282,8 +282,10 @@ function upload_read_event(e) {
         return xhr;
       },
       success: function(data, status, xhr){
+        var ctx = this.context;
         console.log("upload_success_this", this);
-        temp.upload[this.context['id']].progress = 100;
+        var ctx = this.context;
+        temp.upload[ctx.id].progress = 100;
 
       }
     });