title: pip install pyinstaller no module named pyinstaller
body: <p>I wanted to install <code>pyinstaller</code> module with the following command:</p>
  
  <pre><code>pip install pyinstaller
  </code></pre>
  
  <p>But I always get the following error:</p>
  
  <p><a href="https://i.stack.imgur.com/LB2Tr.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/LB2Tr.png" alt="enter image description here"></a></p>