joel@supernova:~/Desktop/cairo-swissknife$ ./sk.py 

***MEMORY-WARNING***: sk.py[8263]: GSlice: g_thread_init() must be called before all other GLib functions; memory corruption due to late invocation of g_thread_init() has been detected; this program is likely to crash, leak or unexpectedly abort soon...
Traceback (most recent call last):
  File "./sk.py", line 490, in <module>
    display = Xdisplay (environ["DISPLAY"])
  File "/var/lib/python-support/python2.5/Xlib/display.py", line 80, in __init__
    self.display = _BaseDisplay(display)
  File "/var/lib/python-support/python2.5/Xlib/display.py", line 67, in __init__
    apply(protocol.display.Display.__init__, (self, ) + args, keys)
  File "/var/lib/python-support/python2.5/Xlib/protocol/display.py", line 124, in __init__
    self.default_screen = min(self.default_screen, len(self.info.roots) - 1)
  File "/var/lib/python-support/python2.5/Xlib/protocol/rq.py", line 1371, in __getattr__
    raise AttributeError(attr)
AttributeError: roots
joel@supernova:~/Desktop/cairo-swissknife$