[3.7] bpo-29553: Fix ArgumentParser.format_usage() for mutually exclusive groups (GH-14976) by miss-islington · Pull Request #15494 · python/cpython

@miss-islington

…roups (pythonGH-14976)

Co-authored-by: Andrew Nester <andrew.nester.dev@gmail.com>
(cherry picked from commit da27d9b)

Co-authored-by: Flavian Hautbois <flavianh@sicara.com>

rhettinger added a commit to rhettinger/cpython that referenced this pull request

Aug 30, 2019

rhettinger added a commit that referenced this pull request

Aug 30, 2019