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authorMaximilian Hils <git@maximilianhils.com>2021-08-16 21:42:21 (GMT)
committerGitHub <noreply@github.com>2021-08-16 21:42:21 (GMT)
commit1512bc21d60f098a9e9f37b44a2f6a9b49a3fd4f (patch)
treef05667cbf2a17004fcc20f01d48332558460c16a /Lib/argparse.py
parentd84d2c4985457733602d46dc4ee77290da4e9539 (diff)
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bpo-38956: don't print BooleanOptionalAction's default twice (GH-27672)
Co-authored-by: Micky Yun Chan <michan@redhat.com>
Diffstat (limited to 'Lib/argparse.py')
-rw-r--r--Lib/argparse.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/Lib/argparse.py b/Lib/argparse.py
index 33c5d70..d5a0afb 100644
--- a/Lib/argparse.py
+++ b/Lib/argparse.py
@@ -876,7 +876,7 @@ class BooleanOptionalAction(Action):
_option_strings.append(option_string)
if help is not None and default is not None:
- help += f" (default: {default})"
+ help += " (default: %(default)s)"
super().__init__(
option_strings=_option_strings,