check the function based approach

Author: jelhan

tests/dummy/app/controllers/application.js

@@ -1,6 +1,6 @@
 import Controller from '@ember/controller';
 import { action } from '@ember/object';
-import Changeset from 'ember-changeset';
+import { Changeset } from 'ember-changeset';
 import {
   validatePresence,
   validateLength