title: Python 3 -- Module not found
body: <p>I have the following file structure...</p>
  
  <pre><code> &gt; Boo
      &gt; ---modA
      &gt; ------__init__.py
      &gt; ------fileAA.py
      &gt; ---modB
      &gt; ------__init__.py
      &gt; ------fileBB.py
  </code></pre>
  
  <p>When inside fileBB.py I am doing</p>
  
  <pre><code>from modA.fileAA import &lt;something&gt;
  </code></pre>
  
  <p>I get the following error:</p>
  
  <pre><code>from modA.fileAA import &lt;something&gt;
  ModuleNotFoundError: No module named 'modA'
  </code></pre>
  
  <p>Note that the <code>__init__.py</code> files are empty and using Python 3.</p>
  
  <p>What am I missing or doing wrong here?</p>