title: How do you enable macOS Dark Mode in PyQt5 (5.13)
body: <p>I am making my first GUI application with PyQt5 but it does not currently work with dark mode.</p>
  
  <p><strong>How do you enable dark mode in PyQt5?</strong></p>
  
  <p>I user PyQt5 v5.13.0 and freeze the app with PyInstaller on Mac, Linux and Windows.</p>
  
  <p>If you need more information or some of the code, please tell me.</p>