def normalize_config_start_offset(self, config, query_config):
        try:
            start_offset = query_config.get(OPTION_NAME_MAP['start_offset'], 0)
            start_offset = int(start_offset)
        except __HOLE__:
            start_offset = 0
        else:
            if start_offset < 0:
                start_offset = 0
        return start_offset
dataset/ETHPy150Open pivotal-energy-solutions/django-datatable-view/datatableview/datatables.py/Datatable.normalize_config_start_offset