Index: Xlib/support/unix_connect.py =================================================================== --- Xlib/support/unix_connect.py +++ Xlib/support/unix_connect.py 2010-09-03 00:49:15.066186229 +0200 @@ -112,7 +112,11 @@ family = xauth.FamilyLocal addr = socket.gethostname() - au = xauth.Xauthority() + try: + au = xauth.Xauthority() + except error.XauthError: + return old_get_auth(sock, dname, host, dno) + while 1: try: return au.get_best_auth(family, addr, dno)