homepage

Because of the way webbrowser.UnixBrowser.open generates command-line
arguments the resulting list sometimes looks like this:
 ['chromium', '', 'http://www.example.org/']
This seems to work fine with chromium for me but as you can see:
 >>> subprocess.call(['ls', '', '-l'])
 ls: cannot access : No such file or directory
 2
It's not a good idea to rely on that.
I'm attaching a patch that filters out those empty arguments.