# HG changeset patch
# User Jeff Hammel <k0scist@gmail.com>
# Date 1418350030 28800
# Node ID df5350aee9c3113ffebfa54847d5cfa191f79739
# Parent  2825b0fdf80ece6cb9a159c14b06b26216324f1d
not sure what i did here

diff -r 2825b0fdf80e -r df5350aee9c3 example/argparse_undefined.py
--- a/example/argparse_undefined.py	Mon Dec 01 18:24:01 2014 -0800
+++ b/example/argparse_undefined.py	Thu Dec 11 18:07:10 2014 -0800
@@ -16,9 +16,10 @@
 
     def __init__(self, *args, **kwargs):
         argparse.ArgumentParser.__init__(self, *args, **kwargs)
+        self.__defaults = {}
 
     def add_argument(self, *args, **kwargs):
-        kwargs.setdefault('default', Undefined)
+        default = kwargs.pop('default', self.argument_default)
         return argparse.ArgumentParser.add_argument
 
 def main(args=sys.argv[1:]):