Fix test_site for systems without unsetenv. Reported by Zsolt Cserna.

diff --git a/Lib/test/test_site.py b/Lib/test/test_site.py
index 9b31a3945c565f1fc150c2f313f3c225ae23e4f3..8168d7ed92952a1d9405824665e1519f63a0d85d 100644 (file)
--- a/Lib/test/test_site.py
+++ b/Lib/test/test_site.py
@@ -161,12 +161,16 @@ class HelperFunctionsTests(unittest.TestCase):
         usersite = site.USER_SITE
         self.assertIn(usersite, sys.path)
 
+        env = os.environ.copy()
         rc = subprocess.call([sys.executable, '-c',
-            'import sys; sys.exit(%r in sys.path)' % usersite])
+            'import sys; sys.exit(%r in sys.path)' % usersite],
+            env=env)
         self.assertEqual(rc, 1)
 
+        env = os.environ.copy()
         rc = subprocess.call([sys.executable, '-s', '-c',
-            'import sys; sys.exit(%r in sys.path)' % usersite])
+            'import sys; sys.exit(%r in sys.path)' % usersite],
+            env=env)
         self.assertEqual(rc, 0)
 
         env = os.environ.copy()