#!/usr/bin/python3import argparseparser = argparse.ArgumentParser()commands = parser.add_subparsers(title="commands", dest="command")cmd_foo = commands.add_parser("foo")group = cmd_foo.add_mutually_exclusive_group()group.add_argument('--verbose', action='store_true', help=argparse.SUPPRESS)group.add_argument('--quiet', action='store_true', help=argparse.SUPPRESS)cmd_foo.add_argument("--longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglonglonglonglonglonglonglonglonglonglonglonglonglonglonglonglonglong")parser.parse_args()

$ python3.11 reproducer.py foo --helpTraceback (most recent call last):  File ".../reproducer.py", line 13, in <module>    parser.parse_args()  File "/usr/lib64/python3.11/argparse.py", line 1862, in parse_args    args, argv = self.parse_known_args(args, namespace)                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  File "/usr/lib64/python3.11/argparse.py", line 1895, in parse_known_args    namespace, args = self._parse_known_args(args, namespace)                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  File "/usr/lib64/python3.11/argparse.py", line 2085, in _parse_known_args    positionals_end_index = consume_positionals(start_index)                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  File "/usr/lib64/python3.11/argparse.py", line 2062, in consume_positionals    take_action(action, args)  File "/usr/lib64/python3.11/argparse.py", line 1971, in take_action    action(self, namespace, argument_values, option_string)  File "/usr/lib64/python3.11/argparse.py", line 1234, in __call__    subnamespace, arg_strings = parser.parse_known_args(arg_strings, None)                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  File "/usr/lib64/python3.11/argparse.py", line 1895, in parse_known_args    namespace, args = self._parse_known_args(args, namespace)                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  File "/usr/lib64/python3.11/argparse.py", line 2103, in _parse_known_args    start_index = consume_optional(start_index)                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  File "/usr/lib64/python3.11/argparse.py", line 2043, in consume_optional    take_action(action, args, option_string)  File "/usr/lib64/python3.11/argparse.py", line 1971, in take_action    action(self, namespace, argument_values, option_string)  File "/usr/lib64/python3.11/argparse.py", line 1112, in __call__    parser.print_help()  File "/usr/lib64/python3.11/argparse.py", line 2590, in print_help    self._print_message(self.format_help(), file)                        ^^^^^^^^^^^^^^^^^^  File "/usr/lib64/python3.11/argparse.py", line 2574, in format_help    return formatter.format_help()           ^^^^^^^^^^^^^^^^^^^^^^^  File "/usr/lib64/python3.11/argparse.py", line 286, in format_help    help = self._root_section.format_help()           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  File "/usr/lib64/python3.11/argparse.py", line 217, in format_help    item_help = join([func(*args) for func, args in self.items])                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  File "/usr/lib64/python3.11/argparse.py", line 217, in <listcomp>    item_help = join([func(*args) for func, args in self.items])                      ^^^^^^^^^^^  File "/usr/lib64/python3.11/argparse.py", line 341, in _format_usage    assert ' '.join(opt_parts) == opt_usageAssertionError

COLUMNS=1000 python3.11 reproducer.py foo --helpusage: reproducer.py foo [-h]  [--longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglonglonglonglonglonglonglonglonglonglonglonglonglonglonglonglonglong LONGLONGLONGLONGLONGLONGLONGLONGLONGLONGLONGLONGLONGLONGLONGLONGLONGLONGLONGLONGLONGLONGLONGLONGLONGLONGLONGLONGLONGLONGLONGLONG]options:  -h, --help            show this help message and exit  --longlonglonglonglonglonglonglonglonglonglonglonglonglonglonglonglonglonglonglonglonglonglonglonglonglonglonglonglonglonglonglong LONGLONGLONGLONGLONGLONGLONGLONGLONGLONGLONGLONGLONGLONGLONGLONGLONGLONGLONGLONGLONGLONGLONGLONGLONGLONGLONGLONGLONGLONGLONGLONG