Explicitly close a file to stop raising a ResourceWarning.
diff --git a/Lib/test/test_sysconfig.py b/Lib/test/test_sysconfig.py
index 96f75f2..241af8f 100644
--- a/Lib/test/test_sysconfig.py
+++ b/Lib/test/test_sysconfig.py
@@ -306,19 +306,20 @@
env = os.environ.copy()
env['MACOSX_DEPLOYMENT_TARGET'] = '10.1'
- p = subprocess.Popen([
- sys.executable, '-c',
- 'import sysconfig; print(sysconfig.get_platform())',
- ],
- stdout=subprocess.PIPE,
- stderr=open('/dev/null'),
- env=env)
- test_platform = p.communicate()[0].strip()
- test_platform = test_platform.decode('utf-8')
- status = p.wait()
+ with open('/dev/null') as dev_null:
+ p = subprocess.Popen([
+ sys.executable, '-c',
+ 'import sysconfig; print(sysconfig.get_platform())',
+ ],
+ stdout=subprocess.PIPE,
+ stderr=dev_null,
+ env=env)
+ test_platform = p.communicate()[0].strip()
+ test_platform = test_platform.decode('utf-8')
+ status = p.wait()
- self.assertEqual(status, 0)
- self.assertEqual(my_platform, test_platform)
+ self.assertEqual(status, 0)
+ self.assertEqual(my_platform, test_platform)
class MakefileTests(unittest.TestCase):