Stowage/cpython
2
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-12-08 06:10:17 +00:00
Code Issues Projects Releases Packages Wiki Activity

bpo-26952: [argparse] clearer error when formatting an empty mutually… (GH-30099) (GH-30115)

Browse source 
(cherry picked from commit 86de99588d)

Co-authored-by: Irit Katriel <1055913+iritkatriel@users.noreply.github.com>
This commit is contained in:
Miss Islington (bot) 2021-12-15 04:24:48 -08:00 • committed by GitHub
parent 17260e44b5
commit f0b274d2e2
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
3 changed files with 11 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

3
Lib/argparse.py
View file

@ -392,6 +392,9 @@ def _format_actions_usage(self, actions, groups):
group_actions = set()
inserts = {}
for group in groups:
if not group._group_actions:
raise ValueError(f'empty group {group}')
try:
start = actions.index(group._group_actions[0])
except ValueError: