Improve docs (#17)

python/sglang/srt/managers/router/model_rpc.py

@@ -2,10 +2,10 @@ import asyncio
 import logging
 import multiprocessing
 import time
+import warnings
 from concurrent.futures import ThreadPoolExecutor
 from enum import Enum, auto
 from typing import Dict, List, Optional, Tuple, Union
-import warnings
 
 import numpy as np
 import rpyc