title: symfony2.7 Liip\ImagineBundle failed to load class
body: <p>When i want to create my custom post_procesor i have done what says <a href="http://symfony.com/doc/current/bundles/LiipImagineBundle/filters.html#post-processors" rel="nofollow">here</a> my custom post_procesor class is located here <code>src\xyz\SomeBundle\Filter\ImageOptimizer.php</code> and contents of if:</p>
  
  <pre><code>&lt;?php
  namespace xyz\SomeBundle\Filter\ImageOptimizer;
  class TinifyPostProcessor implements PostProcessorInterface
  {
  ....
  }
  </code></pre>
  
  <p>my <code>app/service</code> :</p>
  
  <pre><code>services:
    app.post_processor.tinify_post_processor:
        class: xyz\SomeBundle\Filter\ImageOptimizer\TinifyPostProcessor
        tags:
            - { name: 'liip_imagine.filter.post_processor', post_processor: 'tinify_post_processor' }
  </code></pre>
  
  <p>but i got error <code>"Attempted to load class "TinifyPostProcessor" from namespace "Galmet\WebBundle\Filter\ImageOptimizer". Did you forget a "use" statement for another namespace?"</code> where i forgot <code>use</code>?</p>