With optimizations on, python will overwrite the nix store. --- wicd-1.7.0/in/scripts=wicd.in 2011-04-05 14:31:09.733096865 -0400 +++ wicd-1.7.0/in/scripts=wicd.in 2011-04-05 14:31:16.397096864 -0400 @@ -1,3 +1,3 @@ #!/bin/bash -exec %PYTHON% -O %SHARE%daemon/wicd-daemon.py $@ +exec %PYTHON% -B %SHARE%daemon/wicd-daemon.py $@ --- wicd-1.7.1b2/wicd/wicd-daemon.py.old 2011-04-07 08:28:38.668311226 -0400 +++ wicd-1.7.1b2/wicd/wicd-daemon.py 2011-04-07 08:28:59.111311223 -0400 @@ -1806,7 +1806,7 @@ wicd_bus = dbus.service.BusName('org.wicd.daemon', bus=bus) daemon = WicdDaemon(wicd_bus, auto_connect=auto_connect) if not no_poll: - child_pid = Popen([misc.find_path("python2"), "-O", + child_pid = Popen([misc.find_path("python2"), "-B", os.path.join(wpath.daemon, "monitor.py")], shell=False, close_fds=True).pid atexit.register(on_exit, child_pid)