From 87c03b3108fd8108f7ab62fbcfd63aabf86c507b Mon Sep 17 00:00:00 2001
From: Nick Coghlan <ncoghlan@gmail.com>
Date: Sat, 17 Oct 2009 15:23:08 +0000
Subject: [PATCH] Revert changes made to environment in test_httpservers

---
 Lib/test/test_httpservers.py | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/Lib/test/test_httpservers.py b/Lib/test/test_httpservers.py
index 228d82b64c8..73354e39543 100644
--- a/Lib/test/test_httpservers.py
+++ b/Lib/test/test_httpservers.py
@@ -50,6 +50,7 @@ class TestServerThread(threading.Thread):
 
 class BaseTestCase(unittest.TestCase):
     def setUp(self):
+        os.environ = test_support.EnvironmentVarGuard()
         self.lock = threading.Lock()
         self.thread = TestServerThread(self, self.request_handler)
         self.thread.start()
@@ -58,6 +59,8 @@ class BaseTestCase(unittest.TestCase):
     def tearDown(self):
         self.lock.release()
         self.thread.stop()
+        os.environ.__exit__()
+        os.environ = os.environ._environ
 
     def request(self, uri, method='GET', body=None, headers={}):
         self.connection = httplib.HTTPConnection('localhost', self.PORT)
@@ -390,9 +393,9 @@ def test_main(verbose=None):
     try:
         cwd = os.getcwd()
         test_support.run_unittest(BaseHTTPServerTestCase,
-                                  SimpleHTTPServerTestCase,
-                                  CGIHTTPServerTestCase
-                                  )
+                                SimpleHTTPServerTestCase,
+                                CGIHTTPServerTestCase
+                                )
     finally:
         os.chdir(cwd)