From bb98c8cff0987e9c1afbc1967721ff4999c5d381 Mon Sep 17 00:00:00 2001
From: Barry Warsaw <barry@python.org>
Date: Sat, 1 Jun 2002 03:56:07 +0000
Subject: _is_unicode(): Use UnicodeType instead of the unicode builtin for
 Python 2.1 compatibility.

---
 Lib/email/Charset.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Lib/email/Charset.py b/Lib/email/Charset.py
index 4a7ef69..9a54dab 100644
--- a/Lib/email/Charset.py
+++ b/Lib/email/Charset.py
@@ -7,8 +7,10 @@ except NameError:
     def _is_unicode(x):
         return 1==0
 else:
+    # Use UnicodeType instead of built-in unicode for Py2.1 compatibility
+    from types import UnicodeType
     def _is_unicode(x):
-        return isinstance(x, unicode)
+        return isinstance(x, UnicodeType)
     
 from email.Encoders import encode_7or8bit
 import email.base64MIME
-- 
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