From bed7117fdabcc24dd87a269b051f9b57b4c4909a Mon Sep 17 00:00:00 2001
From: Victor Stinner <victor.stinner@haypocalc.com>
Date: Wed, 28 Jul 2010 21:25:42 +0000
Subject: Issue #9283: Oops, add missing { and } to repr(os.environ)

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

diff --git a/Lib/os.py b/Lib/os.py
index 2f78d8d..55e7fc2 100644
--- a/Lib/os.py
+++ b/Lib/os.py
@@ -446,7 +446,7 @@ class _Environ(MutableMapping):
         return len(self.data)
 
     def __repr__(self):
-        return 'environ({})'.format(', '.join(
+        return 'environ({{{}}})'.format(', '.join(
             ('{!r}: {!r}'.format(self.decodekey(key), self.decodevalue(value))
             for key, value in self.data.items())))
 
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