From d960d766cf69152c71aa0fc62fa31af1aa174e1e Mon Sep 17 00:00:00 2001
From: Jack McCracken <jack.mccracken@shopify.com>
Date: Fri, 14 Apr 2017 10:45:17 -0400
Subject: [PATCH] Fix misplaced positional argument in OS X support library
 (#1135)

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

diff --git a/Lib/_osx_support.py b/Lib/_osx_support.py
index 13fcd8b8d2..03d36c9f60 100644
--- a/Lib/_osx_support.py
+++ b/Lib/_osx_support.py
@@ -210,7 +210,7 @@ def _remove_universal_flags(_config_vars):
         # Do not alter a config var explicitly overridden by env var
         if cv in _config_vars and cv not in os.environ:
             flags = _config_vars[cv]
-            flags = re.sub('-arch\s+\w+\s', ' ', flags, re.ASCII)
+            flags = re.sub(r'-arch\s+\w+\s', ' ', flags, flags=re.ASCII)
             flags = re.sub('-isysroot [^ \t]*', ' ', flags)
             _save_modified_value(_config_vars, cv, flags)
 
-- 
2.40.0