Chore : rm dead code detected by pylance (#24588)

api/extensions/storage/clickzetta_volume/clickzetta_volume_storage.py

@@ -292,7 +292,6 @@ class ClickZettaVolumeStorage(BaseStorage):
 
             # Get the actual volume path (may include dify_km prefix)
             volume_path = self._get_volume_path(filename, dataset_id)
-            actual_filename = volume_path.split("/")[-1] if "/" in volume_path else volume_path
 
             # For User Volume, use the full path with dify_km prefix
             if volume_prefix == "USER VOLUME":

api/extensions/storage/clickzetta_volume/file_lifecycle.py

@@ -7,7 +7,7 @@
 import json
 import logging
 from dataclasses import asdict, dataclass
-from datetime import datetime, timedelta
+from datetime import datetime
 from enum import Enum
 from typing import Any, Optional
 
@@ -185,7 +185,6 @@ class FileLifecycleManager:
                 versions.append(current_metadata)
 
             # 获取历史版本
-            version_pattern = f"{self._version_prefix}{filename}.v*"
             try:
                 version_files = self._storage.scan(self._dataset_id or "", files=True)
                 for file_path in version_files:
@@ -331,7 +330,6 @@ class FileLifecycleManager:
         """
         try:
             cleaned_count = 0
-            cutoff_date = datetime.now() - timedelta(days=max_age_days)
 
             # 获取所有版本文件
             try: