def __init__(self, message=None):
        self._labels = []
        self._visible = Message()
        Message.__init__(self, message)
Call signal.alarm when it exists (i.e. not on Windows).
dataset/ETHPy150Open babble/babble/include/jython/Lib/mailbox.py/BabylMessage.__init__--crossover with--dataset/ETHPy150Open amrdraz/kodr/app/brython/www/src/Lib/test/test_socketserver.py/signal_alarm