Use method name with typo fixed

pywwt/nbextension/static/wwt_json_api.js

@@ -314,7 +314,8 @@ function wwt_apply_json_message(wwt, msg) {
 
       // Use updateData instead of loadFromString here since updateData also
       // takes care of cache invalidation.
-      layer.upadteData(csv, true, true, true)
+      layer.updateData(csv, true, true, true)
+
       break;
 
     case 'table_layer_set':