def set_date_validate(self, date_validate=True):   
        if not date_validate:   
            try: 
                del self._data['date_validate']
            except __HOLE__:
                pass            
        else:
            self._data['date_validate'] = 1
            
        return self
dataset/ETHPy150Open smsapi/smsapi-python-client/smsapi/actions/sms.py/SendAction.set_date_validate