From 0ed51466324f4c6b57fe0ac72455776200144bfb Mon Sep 17 00:00:00 2001
From: Alexey Pavlov <alexpux@gmail.com>
Date: Fri, 5 Sep 2025 15:15:55 +0300
Subject: [PATCH 164/N] ntpath: Resolve cyclic dependency with os module

---
 Lib/ntpath.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Lib/ntpath.py b/Lib/ntpath.py
index 7d079bc..1064871 100644
--- a/Lib/ntpath.py
+++ b/Lib/ntpath.py
@@ -20,7 +20,7 @@ import sys
 import genericpath
 from genericpath import *
 
-if sys.platform == "win32" and os.environ.get("MSYSTEM", ""):
+if sys.use_alt_sep:
     sep = '/'
     altsep = '\\'
 else:
