def yaml(self):
        return yaml.dump(self.serialized, default_flow_style=False,
                         encoding=None)
def __init__(self, signum, signame):
            self.signum = signum
            self.signame = signame
            self.traceback_lines = traceback.format_stack()
            super(SignalHandler.SignalHandledNonLocalExit, self).__init__()