title: No module named <modulename> when importing from another folder
body: <p>I have the below folder structure for my python project:</p>
  
  <pre><code>./SampleA/
     __init__.py
     company.py
  ./SampleB/
     __init__.py
     check.py
  </code></pre>
  
  <p>Now i am trying to import <code>company.py</code> module in my <code>check.py</code> module using the below command: </p>
  
  <pre><code>from SampleA import company
  </code></pre>
  
  <p>when i run the file i get the below error : </p>
  
  <pre><code>ModuleNotFoundError: No module named 'SampleA'
  </code></pre>
  
  <p>How to fix this ? </p>