fix: add missing os import to system.py

app/api/v1/system.py

@@ -1,6 +1,7 @@
 from __future__ import annotations
 
 import io
+import os
 import platform
 import tarfile
 import time
@@ -39,7 +40,6 @@ _logger = get_logger(__name__)
 _MAINTENANCE_MODE: bool = False
 
 
-
 def is_maintenance() -> bool:
     return _MAINTENANCE_MODE or os.environ.get("APP_UNDER_MAINTENANCE", "").lower() in ("1", "true", "yes")
 

deploy.py

@@ -589,7 +589,7 @@ def run_deployment(args: argparse.Namespace, env: dict[str, str]) -> int:
         maint_enabled = False
         try:
             status = http_post_json(maint_url, auth_headers, timeout=15)
-            if status and status == 200:
+            if status == 200:
                 maint_enabled = True
                 print(f"  {_OK_ICON} Maintenance enabled — writes blocked")
         except Exception: