title: Python ImportError loading module within subfolder
body: <p>I have the following structure</p>
  
  <pre><code>abc/
      __init__.py
      settings.py
      tests/
         __init__.py
         test.py
  </code></pre>
  
  <p>in <code>test.py</code>, I am getting an <code>ImportError</code> for</p>
  
  <pre><code>#test.py
  import abc.settings
  </code></pre>