fix: lint

Author: cosmyo

packages/uipath-openai-agents/tests/test_serialization.py

@@ -188,8 +188,8 @@ def test_serialize_complex_nested_structure(self):
 
     def test_serialize_empty_structures(self):
         """Test serializing empty structures."""
-        empty_dict = {}
-        empty_list: list = []
+        empty_dict: dict[str, str] = {}
+        empty_list: list[int] = []
 
         assert serialize_output(empty_dict) == {}
         assert serialize_output(empty_list) == []