Unsuccessful attempt to repro Awesome Macros Error

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
});

models.framework.js

import Model from "ember-data/model";
import attr from "ember-data/attr";
import { belongsTo, hasMany } from "ember-data/relationships";

import { findBy } from 'ember-awesome-macros/array';
import raw from 'ember-macro-helpers/raw';

export default Model.extend({
  name: attr(),
  mascotts: hasMany('mascott'),
  theOne: findBy('mascotts', raw('name'), raw('Tomster')),
});

models.mascott.js

import Model from "ember-data/model";
import attr from "ember-data/attr";
import { belongsTo, hasMany } from "ember-data/relationships";

export default Model.extend({
  name: attr()
});

routes.application.js

import Ember from 'ember';

export default Ember.Route.extend({
  model() {
    let tomster = this.get('store').createRecord('mascott', {name: 'Tomster'});
    let ember = this.get('store').createRecord('framework', {name: 'Ember'});
    ember.get('mascotts').pushObject(tomster);
    return ember
  }
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{outlet}}
<br>
model: {{model}} {{log model}}
<br>
the one: {{model.theOne.name}}
<br>

twiddle.json

{
  "version": "0.13.0",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.16.2",
    "ember-template-compiler": "2.16.2",
    "ember-testing": "2.16.2"
  },
  "addons": {
    "ember-data": "2.16.3",
    "ember-awesome-macros": "0.41.0"
  }
}