[Python-checkins] [3.8] Fix error in argparse documentation example (GH-17399) (GH-21990)

[Miss Islington (bot)]

https://github.com/python/cpython/commit/e77547b90cb3b819113c722579a7fc070de0c2ca
commit: e77547b90cb3b819113c722579a7fc070de0c2ca
branch: 3.8
author: Miss Islington (bot) <31488909+miss-islington at users.noreply.github.com>
committer: GitHub <noreply at github.com>
date: 2020-09-04T15:26:21-07:00
summary:

[3.8] Fix error in argparse documentation example (GH-17399) (GH-21990)



Automerge-Triggered-By: @rhettinger
(cherry picked from commit 8784d3300ec4ffc58bc0e9ab3cff9a24187dbe4c)


Co-authored-by: SarahPythonista <4283226+SarahPythonista at users.noreply.github.com>

files:
M Doc/library/argparse.rst

diff --git a/Doc/library/argparse.rst b/Doc/library/argparse.rst
index e1b28e32ed185..2ec7ea3ecb4e3 100644
--- a/Doc/library/argparse.rst
+++ b/Doc/library/argparse.rst
@@ -1123,8 +1123,8 @@ keyword argument to :meth:`~ArgumentParser.add_argument`::
    >>> parser.parse_args(['--foo', 'BAR'])
    Namespace(foo='BAR')
    >>> parser.parse_args([])
-   usage: argparse.py [-h] [--foo FOO]
-   argparse.py: error: option --foo is required
+   usage: [-h] --foo FOO
+   : error: the following arguments are required: --foo
 
 As the example shows, if an option is marked as ``required``,
 :meth:`~ArgumentParser.parse_args` will report an error if that option is not