From aa7cec0ac489990a9607c6231241a39921ba6ca5 Mon Sep 17 00:00:00 2001
From: Benjamin Peterson <benjamin@python.org>
Date: Sun, 31 Oct 2010 01:35:53 +0000
Subject: close file properly

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

diff --git a/Lib/test/test_popen.py b/Lib/test/test_popen.py
index da0c04e..accf187 100644
--- a/Lib/test/test_popen.py
+++ b/Lib/test/test_popen.py
@@ -22,7 +22,8 @@ class PopenTest(unittest.TestCase):
     def _do_test_commandline(self, cmdline, expected):
         cmd = '%s -c "import sys; print(sys.argv)" %s'
         cmd = cmd % (python, cmdline)
-        data = os.popen(cmd).read()
+        with os.popen(cmd) as p:
+            data = p.read()
         got = eval(data)[1:] # strip off argv[0]
         self.assertEqual(got, expected)
 
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