fix:ruff

src/plugins/PFC/pfc.py

@@ -18,7 +18,6 @@ from .chat_observer import ChatObserver
 from .pfc_KnowledgeFetcher import KnowledgeFetcher
 from .reply_checker import ReplyChecker
 from .pfc_utils import get_items_from_json
-import json
 import time
 
 logger = get_module_logger("pfc")

src/plugins/PFC/pfc_utils.py

@@ -1,6 +1,6 @@
 import json
 import re
-from typing import Dict, Any, Optional, List, Tuple, Union
+from typing import Dict, Any, Optional, Tuple
 from src.common.logger import get_module_logger
 
 logger = get_module_logger("pfc_utils")