def startElement(self, name, attrs, connection):
        if name == 'Args':
            self.args = ResultSet([('member', Arg)])
            return self.args
        if name == 'Properties':
            self.properties = ResultSet([('member', KeyValue)])
            return self.properties
dataset/ETHPy150Open darcyliu/storyboard/boto/emr/emrobject.py/Step.startElement/original