fix(isolation): clear ruff issues on clean trial branch

comfy/isolation/adapter.py

@@ -5,7 +5,7 @@ import logging
 import os
 import inspect
 from pathlib import Path
-from typing import Any, Callable, Dict, List, Optional, cast
+from typing import Any, Dict, List, Optional, cast
 
 from pyisolate.interfaces import IsolationAdapter, SerializerRegistryProtocol  # type: ignore[import-untyped]
 from pyisolate._internal.rpc_protocol import AsyncRPC, ProxiedSingleton  # type: ignore[import-untyped]

comfy/isolation/proxies/prompt_server_impl.py

@@ -8,7 +8,6 @@ Replaces the legacy PromptServerProxy (Singleton) with a clean Service/Stub arch
 
 from __future__ import annotations
 
-import asyncio
 import os
 from typing import Any, Dict, Optional, Callable