 <p>You technically don't have to put anything in the <code>__init__.py</code> file. You should be able to import models from your <code>main.py</code> file, as long as it is in the app folder, and use the functions like:</p> <pre><code>import models models.profile.whatever </code></pre> <p>If you <code>main.py</code> is 'above' your /app folder, you will need an <code>__init__.py</code> file in your /app folder. then you can do:</p> <pre><code>import app app.models.profile.whatever </code></pre>