Merged revisions 81492 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk

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  r81492 | steven.bethard | 2010-05-23 20:45:26 -0700 (Sun, 23 May 2010) | 1 line

  Fix default value for version help. Approved by Benjamin on python-dev: http://mail.python.org/pipermail/python-dev/2010-May/100231.html
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diff --git a/Lib/argparse.py b/Lib/argparse.py
index 9da59e3..c12a16d 100644
--- a/Lib/argparse.py
+++ b/Lib/argparse.py
@@ -987,7 +987,7 @@
                  version=None,
                  dest=SUPPRESS,
                  default=SUPPRESS,
-                 help=None):
+                 help="show program's version number and exit"):
         super(_VersionAction, self).__init__(
             option_strings=option_strings,
             dest=dest,