data type fix

src/metldata/builtin_transformations/common/utils.py

@@ -37,7 +37,7 @@ def data_to_dict(data: DataPack) -> dict[str, Any]:
     return json.loads(dumps_datapack(deepcopy(data), yaml_format=False))
 
 
-def _thaw_content(frozen_dict: Mapping) -> dict:
+def _thaw_content(frozen_dict: Mapping | tuple) -> dict | list:
     """Recursively converts a nested FrozenDict and frozenset to mutable types.
     This will be removed after we implement a FrozenDict validation to Schemapack lib.
     """