Merged revisions 86520 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k

........
  r86520 | senthil.kumaran | 2010-11-18 23:36:41 +0800 (Thu, 18 Nov 2010) | 3 lines

  Fix Issue2244 - urllib unquotes user and password info multiple times - Patch by Theodore Turocy
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diff --git a/Lib/urllib/request.py b/Lib/urllib/request.py
index 464f847..5a67c0b 100644
--- a/Lib/urllib/request.py
+++ b/Lib/urllib/request.py
@@ -1275,8 +1275,8 @@
         else:
             passwd = None
         host = unquote(host)
-        user = unquote(user or '')
-        passwd = unquote(passwd or '')
+        user = user or ''
+        passwd = passwd or ''
 
         try:
             host = socket.gethostbyname(host)