From e992a5bb8ed77fe6f9e46da1e2add3c5f12038f8 Mon Sep 17 00:00:00 2001
From: Kyle Stewart <4b796c65+bitbucket@gmail.com>
Date: Thu, 17 Mar 2016 05:25:28 -0700
Subject: use context manager when reading requires.txt

---
 wheel/metadata.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/wheel/metadata.py b/wheel/metadata.py
index b3cc65c..d037c3a 100644
--- a/wheel/metadata.py
+++ b/wheel/metadata.py
@@ -244,7 +244,8 @@ def pkginfo_to_metadata(egg_info_path, pkginfo_path):
     pkg_info.replace_header('Metadata-Version', '2.0')
     requires_path = os.path.join(egg_info_path, 'requires.txt')
     if os.path.exists(requires_path):
-        requires = open(requires_path).read()
+        with open(requires_path) as requires_file:
+            requires = requires_file.read()
         for extra, reqs in sorted(pkg_resources.split_sections(requires),
                                   key=lambda x: x[0] or ''):
             condition = ''
-- 
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