title: How to set windows title in python qt?
body: <p>I develop in pyqt and i made deb package on Ubuntu. It contain .desktop file, so it automatically add icon to main menu. When I start application windows title is correct but in gnome bar shows s_main.pyw which is name of main script in application. It is possible to set correct name in that bar?</p>
  
  <p>Here's <a href="http://s10.postimg.org/mlfljzull/test.png" rel="noreferrer">a link to image</a>! </p>