def refresh_item(self, item_id):
        raise NotImplementedError("You must implement refresh_item")
Create a new :class:`TableSet` from a directory of JSON files or a
dataset/ETHPy150Open dimagi/commcare-hq/corehq/apps/hqwebapp/views.py/CRUDPaginatedViewMixin.refresh_item--crossover with--dataset/ETHPy150Open wireservice/agate/agate/tableset/from_json.py/from_json