return error
else :
if sys.platform == 'win32':
pid = Popen(["%s" % rpath, '--vanilla','--slave','-f', "%s" % rcode])
elif sys.platform == 'darwin' and needX11:
os.environ['DISPLAY'] = ':0.0'
return error
else :
if sys.platform == 'win32':
pid = Popen(["%s" % rpath, '--vanilla','--slave','-f', "%s" % rcode])
elif sys.platform == 'darwin' and needX11:
os.environ['DISPLAY'] = ':0.0'