[Improvements] Merge health check route (#8444)

Signed-off-by: ybyang <ybyang7@iflytek.com>
Co-authored-by: Lianmin Zheng <lianminzheng@gmail.com>
Co-authored-by: Kan Wu <wukanustc@gmail.com>

python/sglang/srt/utils.py

@@ -44,7 +44,6 @@ import traceback
 import warnings
 from collections import OrderedDict, defaultdict
 from contextlib import contextmanager
-from enum import Enum
 from functools import lru_cache
 from importlib.metadata import PackageNotFoundError, version
 from importlib.util import find_spec
@@ -93,6 +92,7 @@ logger = logging.getLogger(__name__)
 show_time_cost = False
 time_infos = {}
 
+
 HIP_FP8_E4M3_FNUZ_MAX = 224.0