argparse.ArgumentParser does not raise on duplicated subparsers, even though it does on duplicated flags #83897
Description
| BPO | 39716 |
|---|---|
| Nosy | @rhettinger, @anntzer |
| PRs |
Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.
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GitHub fields:
assignee = None
closed_at = None
created_at = <Date 2020-02-21.18:20:54.496>
labels = ['library', '3.9']
title = 'argparse.ArgumentParser does not raise on duplicated subparsers, even though it does on duplicated flags'
updated_at = <Date 2020-02-22.11:04:34.546>
user = 'https://github.com/anntzer'bugs.python.org fields:
activity = <Date 2020-02-22.11:04:34.546>
actor = 'Antony.Lee'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2020-02-21.18:20:54.496>
creator = 'Antony.Lee'
dependencies = []
files = []
hgrepos = []
issue_num = 39716
keywords = ['patch']
message_count = 3.0
messages = ['362421', '362428', '362458']
nosy_count = 3.0
nosy_names = ['rhettinger', 'paul.j3', 'Antony.Lee']
pr_nums = ['18605']
priority = 'normal'
resolution = None
stage = 'patch review'
status = 'open'
superseder = None
type = None
url = 'https://bugs.python.org/issue39716'
versions = ['Python 3.9']