Broken checkboxes

components.my-component.js

import Ember from 'ember';

export default Ember.Component.extend({
  someValue: false,
  actions: {
  	changeChecked(someValue) {
    	this.toggleProperty('someValue');
      alert(this.get('someValue'))
    }
  }
});

controllers.application.js

import Ember from 'ember';

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

controllers.my-route.js

import Ember from 'ember';

export default Ember.Controller.extend({
});

models.my-model.js

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

export default Model.extend({
});

routes.application.js

import Ember from 'ember';

export default Ember.Route.extend({
  model() {
  	return ['cats', 'dogs', 'hamsters', 'horses']
  }
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{my-component animals=model}}
<br>
<br>

templates.components.my-component.hbs

{{#each animals as |animal|}}
<div>
	{{animal}}
  <div>
  	voice: {{input type="checkbox" checked=someValue click=(action 'changeChecked')}}
  </div>
  <div>
  	data: {{input type="checkbox"}}
  </div>
</div>
<br />
<br />
{{/each}}

twiddle.json

{
  "version": "0.12.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.12.0",
    "ember-template-compiler": "2.12.0",
    "ember-testing": "2.12.0"
  },
  "addons": {
    "ember-data": "2.12.1"
  }
}