[autofix.ci] apply automated fixes (attempt 2/3)

api/tests/unit_tests/core/workflow/graph_engine/test_context_preservation.py

@@ -9,7 +9,6 @@ import contextvars
 import queue
 import threading
 import time
-from typing import Optional
 from unittest.mock import MagicMock
 
 from flask import Flask, g

api/tests/unit_tests/core/workflow/graph_engine/test_mock_config.py

@@ -7,7 +7,7 @@ the behavior of mock nodes during testing.
 
 from collections.abc import Callable
 from dataclasses import dataclass, field
-from typing import Any, Optional
+from typing import Any
 
 from core.workflow.enums import NodeType
 

api/tests/unit_tests/core/workflow/graph_engine/test_table_runner.py

@@ -17,7 +17,7 @@ from concurrent.futures import ThreadPoolExecutor, as_completed
 from dataclasses import dataclass, field
 from functools import lru_cache
 from pathlib import Path
-from typing import Any, Optional
+from typing import Any
 
 from core.app.entities.app_invoke_entities import InvokeFrom
 from core.tools.utils.yaml_utils import _load_yaml_file