The page
http://www.python.org/doc/current/lib/optparse-parsing-arguments.html
in the current documentation has text with an incorrect
example:

"""
6.21.3.7 Parsing arguments
The whole point of creating and populating an
OptionParser is to call its parse_args() method:
(options, args) = parser.parse_args(args=None,
options=None)
where the input parameters are
args
 the list of arguments to process (sys.argv[1:] by
default) 
options
 object to store option arguments in (a new instance of
optparse.Values by default)
"""

The example should be changed to:

(options, args) = parser.parse_args(args=None,
        values=None)
        ^^^^^^

And then there should be a correstponding substition
below in the explanation of the keyword arguments:

values
^^^^^^
 object to store option arguments in (a new instance of
optparse.Values by default)

Cheers, Michael

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Assigning to Greg as he maintains the upstream Optik
distribution.

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Actually, I prefer the terminology in the example code, and
think that the text is wrong.  So I fixed the text instead.
 Also made a few other small tweaks to this section.

Fixed upstream in Optik svn, rev 519.
Fix on Python trunk, rev 46860.