def get(self, id): session_id = get_session_id(session, request) dao = AssetDAO(session_id) asset = dao.get_asset_by_id(id) dao.close() if asset is None: raise ObjectNotFoundHTTPError('The asset') resp = make_response(json_serialize(asset, session_id=session_id)) resp.headers['Content-Type'] = "application/json" return resp