From 9c1d3e46bbf8431802237ef4d88c4a09cc33fc57 Mon Sep 17 00:00:00 2001
From: Raymond Hettinger <python@rcn.com>
Date: Sat, 7 Sep 2002 04:49:09 +0000
Subject: [PATCH] Change UserDict to IterableUserDict

---
 Lib/os.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Lib/os.py b/Lib/os.py
index a89c471fc60f..8a46b4145593 100644
--- a/Lib/os.py
+++ b/Lib/os.py
@@ -395,7 +395,7 @@ else:
                     self[k] = v
 
     else:  # Where Env Var Names Can Be Mixed Case
-        class _Environ(UserDict.UserDict):
+        class _Environ(UserDict.IterableUserDict):
             def __init__(self, environ):
                 UserDict.UserDict.__init__(self)
                 self.data = environ
-- 
2.47.3