From 70363bccfac1a6a0818ea577ad9cf8123a0ec3ae Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jie=20Fu=20=28=E5=82=85=E6=9D=B0=29?= <jiefu@tencent.com>
Date: Sat, 12 Apr 2025 22:39:42 +0800
Subject: [PATCH] Fix syntaxWarning: invalid escape sequence '\s' (#16532)

Signed-off-by: Jie Fu <jiefu@tencent.com>
---
 vllm/utils.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/vllm/utils.py b/vllm/utils.py
index 0fa3384a..c2aad049 100644
--- a/vllm/utils.py
+++ b/vllm/utils.py
@@ -1233,8 +1233,8 @@ class SortedHelpFormatter(ArgumentDefaultsHelpFormatter):
         3. Each line is wrapped to the specified width (width of terminal).
         """
         # The patterns also include whitespace after the newline
-        single_newline = re.compile("(?<!\n)\n(?!\n)\s*")
-        multiple_newlines = re.compile("\n{2,}\s*")
+        single_newline = re.compile(r"(?<!\n)\n(?!\n)\s*")
+        multiple_newlines = re.compile(r"\n{2,}\s*")
         text = single_newline.sub(' ', text)
         lines = re.split(multiple_newlines, text)
         return sum([textwrap.wrap(line, width) for line in lines], [])