From 5c035c0949bf7f0506191e1a689d52666e186d57 Mon Sep 17 00:00:00 2001
From: Brett Cannon <bcannon@gmail.com>
Date: Fri, 29 Oct 2010 22:36:08 +0000
Subject: [PATCH] Have distutils.sysconfig close a file to remove
 ResourceWarnings coming up during the build from setup.py.

---
 Lib/distutils/sysconfig.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Lib/distutils/sysconfig.py b/Lib/distutils/sysconfig.py
index 6b5daa5190..8b55f217cd 100644
--- a/Lib/distutils/sysconfig.py
+++ b/Lib/distutils/sysconfig.py
@@ -413,7 +413,8 @@ def _init_posix():
     # load the installed pyconfig.h:
     try:
         filename = get_config_h_filename()
-        parse_config_h(io.open(filename), g)
+        with open(filename) as file:
+            parse_config_h(file, g)
     except IOError as msg:
         my_msg = "invalid Python installation: unable to open %s" % filename
         if hasattr(msg, "strerror"):
-- 
2.50.1