title: pylint Cannot import custom module and function (no-name-in-module)
body: <p>I have the structure:</p>
  
  <pre><code> |- file run_app.py
  
   |- folder 'tasks'
  
   |-- file app.py
  </code></pre>
  
  <p>There is a string in <code>run_app.py</code>:</p>
  
  <pre><code>import tasks.app
  </code></pre>
  
  <p>And pylint alerts that</p>
  
  <pre><code>run_app.py:8:0: E0611: No name 'app' in module 'tasks' (no-name-in-module)
  </code></pre>
  
  <p>When I rename <code>tasks</code> to <code>taskss</code>, the error disappears. Whats this? How to fix this strange behavior if I want to name the folder exactly 'tasks'?</p>