title: How to start an app in the foreground on Mac OS X with Python?
body: <p>When I start an app with subprocess.Popen on Mac OS X, it starts in the background and you have to click the icon in the dock to bring it to the front. How can I make it start in the foreground?</p>
  
  <p>I have tried using "open", but that creates and unwanted terminal window.</p>
  
  <p>Note: the app is being started from a GUI app written using wxPython.</p>