refactor: reorganize import statements for consistency across multiple files

app/core/cache.py

@@ -9,10 +9,11 @@ from collections.abc import Awaitable, Callable
 from typing import Any
 
 import redis.asyncio as redis
-from app.core.config import settings
 from redis.asyncio.client import Redis
 from redis.exceptions import RedisError
 
+from app.core.config import settings
+
 logger = logging.getLogger(__name__)