René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Changes in Python 3.14.3 break cmd2","articleBody":"Error:\n\n```sh\n______________________________ ERROR collecting tests/test_argparse_completer.py _______________________________\ntests/test_argparse_completer.py:42: in \u003cmodule\u003e\n    class ArgparseCompleterTester(cmd2.Cmd):\ntests/test_argparse_completer.py:303: in ArgparseCompleterTester\n    arg_tokens_subparser = arg_tokens_parser.add_subparsers(dest='subcommand')\n                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\ncmd2/argparse_custom.py:1509: in add_subparsers\n    return super().add_subparsers(**kwargs)\n           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n../../../.local/share/uv/python/cpython-3.14.3-macos-aarch64-none/lib/python3.14/argparse.py:1968: in add_subparsers\n    formatter.add_usage(None, positionals, groups, '')\n.venv/lib/python3.14/site-packages/rich_argparse/_argparse.py:232: in add_usage\n    usage_text = _strip_codes(self._format_usage(usage, actions, groups, prefix=prefix))\n                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\ncmd2/argparse_custom.py:1172: in _format_usage\n    format_actions = self._format_actions_usage\n                     ^^^^^^^^^^^^^^^^^^^^^^^^^^\nE   AttributeError: 'Cmd2HelpFormatter' object has no attribute '_format_actions_usage'\n=========================================== short test summary info ============================================\nERROR tests/test_argparse_completer.py - AttributeError: 'Cmd2HelpFormatter' object has no attribute '_format_actions_usage'\n!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Interrupted: 1 error during collection !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!\n=============================================== 1 error in 0.18s ===============================================\n```","author":{"url":"https://github.com/tleonhardt","@type":"Person","name":"tleonhardt"},"datePublished":"2026-02-04T22:19:51.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":4},"url":"https://github.com/1570/cmd2/issues/1570"}