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-rw-r--r--Lib/argparse.py2
-rw-r--r--Lib/test/test_argparse.py19
2 files changed, 20 insertions, 1 deletions
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 @@ class _VersionAction(Action):
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,
diff --git a/Lib/test/test_argparse.py b/Lib/test/test_argparse.py
index f13c622..94cd3d3 100644
--- a/Lib/test/test_argparse.py
+++ b/Lib/test/test_argparse.py
@@ -3688,6 +3688,25 @@ class TestHelpArgumentDefaults(HelpTestCase):
'''
version = ''
+class TestHelpVersionAction(HelpTestCase):
+ """Test the default help for the version action"""
+
+ parser_signature = Sig(prog='PROG', description='description')
+ argument_signatures = [Sig('-V', '--version', action='version', version='3.6')]
+ argument_group_signatures = []
+ usage = '''\
+ usage: PROG [-h] [-V]
+ '''
+ help = usage + '''\
+
+ description
+
+ optional arguments:
+ -h, --help show this help message and exit
+ -V, --version show program's version number and exit
+ '''
+ version = ''
+
# =====================================
# Optional/Positional constructor tests
# =====================================