{"receipt": {"repo": "latch-click-source", "base": "04ef3a6f473deb2499721a8d11f92a7d2c0912f2", "head": "d340b0c1202284a1b9d0ca892549208527d586ce", "issue": "Click help raises ValueError when an option default is semver.Version and show_default=True. It should render help and display the default version. Use semver.Version(1, 0, 0) directly, not a substitute.", "test_command": ["python3", "-m", "pytest", "-q"], "model": "nvidia/Nemotron-3-Ultra-550b-a55b", "repo_map": {"status": "unavailable", "model": "nvidia/Nemotron-3_5-Lightning", "completion_id": "chatcmpl-b012200a", "files": [], "dropped": [], "text": "", "files_indexed": 17, "detail": "HTTP 200"}, "verdict": "VALIDATED", "verdict_reason": "red on base with an assertion, green on head, stable over 5 runs, killed the revert, killed 2/3 mutants", "proven": true, "base_sha": "04ef3a6f473deb2499721a8d11f92a7d2c0912f2", "head_sha": "d340b0c1202284a1b9d0ca892549208527d586ce", "verdict_logs": {"base": "/version.py:699: in parse\n    raise ValueError(f\"{version} is not valid SemVer string\")\nE   ValueError:  is not valid SemVer string\n\nDuring handling of the above exception, another exception occurred:\nlatch_issue_test.py:21: in test_semver_version_default_show_default\n    pytest.fail(f\"Latch expected the issue operation to succeed: {e}\")\nE   Failed: Latch expected the issue operation to succeed:  is not valid SemVer string\n======================================================================================= short test summary info ========================================================================================\nFAILED latch_issue_test.py::test_semver_version_default_show_default - Failed: Latch expected the issue operation to succeed:  is not valid SemVer string\n1 failed in 0.11s\n", "head": ".                                                                                                                                                                                                [100%]\n1 passed in 0.07s\n", "survivors": [{"id": "m1", "operator": "compare_boundary", "file": "src/click/core.py", "line": 3113, "output_excerpt": ".                                                                                                                                                                                                [100%]\n1 passed in 0.05s\n"}]}, "flaky": {"ran": true, "runs": 5, "flaky": false, "base_fail_rate": 1.0, "head_pass_rate": 1.0, "flake_rate": 0.0, "outcomes": {"base_passed": [false, false, false, false, false], "head_passed": [true, true, true, true, true]}, "note": "consistent over 5 runs on base and on head"}, "mutation": {"ran": true, "mutants": [{"id": "m1", "operator": "compare_boundary", "file": "src/click/core.py", "line": 3113, "what": "`==` -> `!=`", "diff": "--- a/src/click/core.py\n+++ b/src/click/core.py\n@@ -3112,3 +3112,3 @@\n                 default_string = \"\"\n-            elif isinstance(default_value, str) and default_value == \"\":\n+            elif isinstance(default_value, str) and default_value != \"\":\n                 default_string = '\"\"'\n", "killed": false, "output_excerpt": ".                                                                                                                                                                                                [100%]\n1 passed in 0.05s\n"}, {"id": "m2", "operator": "negate_condition", "file": "src/click/core.py", "line": 3113, "what": "negated the condition", "diff": "--- a/src/click/core.py\n+++ b/src/click/core.py\n@@ -3112,3 +3112,3 @@\n                 default_string = \"\"\n-            elif isinstance(default_value, str) and default_value == \"\":\n+            elif not (isinstance(default_value, str) and default_value == \"\"):\n                 default_string = '\"\"'\n", "killed": true, "output_excerpt": "ult_show_default\n    pytest.fail(f\"Latch expected the issue operation to succeed: {e}\")\nE   Failed: Latch expected the issue operation to succeed: assert '[default: 1.0.0]' in 'Version  [default: \"\"]'\n======================================================================================= short test summary info ========================================================================================\nFAILED latch_issue_test.py::test_semver_version_default_show_default - Failed: Latch expected the issue operation to succeed: assert '[default: 1.0.0]' in 'Version  [default: \"\"]'\n1 failed in 0.07s\n"}, {"id": "m3", "operator": "bool_swap", "file": "src/click/core.py", "line": 3113, "what": "`and` -> `or`", "diff": "--- a/src/click/core.py\n+++ b/src/click/core.py\n@@ -3112,3 +3112,3 @@\n                 default_string = \"\"\n-            elif isinstance(default_value, str) and default_value == \"\":\n+            elif isinstance(default_value, str) or default_value == \"\":\n                 default_string = '\"\"'\n", "killed": true, "output_excerpt": "\nlatch_issue_test.py:21: in test_semver_version_default_show_default\n    pytest.fail(f\"Latch expected the issue operation to succeed: {e}\")\nE   Failed: Latch expected the issue operation to succeed:  is not valid SemVer string\n======================================================================================= short test summary info ========================================================================================\nFAILED latch_issue_test.py::test_semver_version_default_show_default - Failed: Latch expected the issue operation to succeed:  is not valid SemVer string\n1 failed in 0.16s\n"}], "killed": 2, "total": 3, "kill_rate": 0.667, "threshold": 0.6, "not_run": 0, "incomplete": false, "ok": true, "note": "2/3 mutants of the changed lines were killed by the frozen proof test (needs 60%)"}, "tautology": {"checked": true, "changed_symbols": ["Option", "get_help_extra"], "asserted_symbols": ["Command", "Context", "Option", "get_help_record"], "ok": true, "reason": null, "affected_symbols": ["AliasedGroup", "Argument", "BadArgumentUsage", "BadOptionUsage", "BadParameter", "BashComplete", "BoolParamType", "Choice", "CliRunner", "Command", "CommandCollection", "ComplexCLI", "Config", "Context", "DateTime", "Editor", "File", "FishComplete", "FuncParamType", "Group", "MissingParameter", "NoArgsIsHelpError", "NoSuchOption", "ParamType", "Parameter", "Path", "Result", "ShellComplete", "StringParamType", "Tuple", "UUIDParameterType", "UnprocessedParamType", "UsageError", "ZshComplete", "_BaseCommand", "_MultiCommand", "_NumberParamTypeBase", "_NumberRangeBase", "_OptionParser", "__call__", "__enter__", "__getattr__", "__init__", "_check_nested_chain", "_complete_visible_commands", "_get_value_from_state", "_is_incomplete_argument", "_is_incomplete_option", "_main_shell_completion", "_make_sub_context", "_match_long_opt", "_match_short_opt", "_normalize_opt", "_normalized_mapping", "_param_memo", "_process_opts", "_process_result", "_resolve_context", "_resolve_incomplete", "_start_of_option", "add_alias", "add_command", "add_option", "add_source", "add_to_parser", "alias", "argument", "augment_usage_errors", "blur_cmd", "callback", "clear", "cli", "clone", "collect_usage_pieces", "colordemo", "command", "command_path", "commit", "complete", "confirmation_option", "consume_value", "convert", "copy", "crop_cmd", "decorator", "delete", "display_cmd", "edit", "edit_files", "emboss_cmd", "fail", "find_object", "find_root", "format_commands", "format_epilog", "format_help", "format_help_text", "format_options", "format_usage", "forward", "get_command", "get_completion_class", "get_completions", "get_current_context", "get_default", "get_default_prog_name", "get_error_hint", "get_help", "get_help_option", "get_help_option_names", "get_help_record", "get_invalid_choice_message", "get_metavar", "get_missing_message", "get_params", "get_usage", "get_usage_pieces", "group", "handle_parse_result", "help_option", "invoke", "iter_params_for_processing", "list_commands", "locate", "ls", "main", "make_context", "make_metavar", "make_parser", "make_pass_decorator", "menu", "mine", "mine_remove", "mine_set", "new_func", "normalize_choice", "open", "open_cmd", "option", "pager", "parse_args", "pass_context", "pass_meta_key", "password_option", "paste_cmd", "pause", "process_commands", "process_value", "progress", "prompt", "prompt_for_value", "pull", "push", "push_context", "resize_cmd", "resolve_command", "resolve_envvar_value", "result_callback", "save_cmd", "scope", "select_user", "setuser", "sharpen_cmd", "shell_complete", "ship", "ship_move", "ship_new", "ship_shoot", "show", "show_env", "show_help", "smoothen_cmd", "sort_key", "status", "to_info_dict", "transpose_cmd", "type_cast_value", "value_from_envvar", "version_option"], "mode": "changed"}, "completion_id": "chatcmpl-a7589d01d509ec91", "test": "import pytest\n\ndef test_semver_version_default_show_default():\n    import pytest\n    import semver\n    import click\n\n    try:\n        opt = click.Option(\n            [\"--version\"],\n            default=semver.Version(1, 0, 0),\n            show_default=True,\n            help=\"Version\",\n        )\n        ctx = click.Context(click.Command(\"test\"))\n        help_record = opt.get_help_record(ctx)\n        help_text = help_record[1]\n        expected_default = str(semver.Version(1, 0, 0))\n        assert f\"[default: {expected_default}]\" in help_text\n    except Exception as e:\n        pytest.fail(f\"Latch expected the issue operation to succeed: {e}\")\n", "base_result": {"returncode": 1, "stdout": "F                                                                                                                                                                                                [100%]\n=============================================================================================== FAILURES ===============================================================================================\n_______________________________________________________________________________ test_semver_version_default_show_default _______________________________________________________________________________\nlatch_issue_test.py:16: in test_semver_version_default_show_default\n    help_record = opt.get_help_record(ctx)\n                  ^^^^^^^^^^^^^^^^^^^^^^^^\n/var/folders/3q/_mxxn9_d72j97qgtpv9dh4sc0000gn/T/latch-proof-shtad56k/base/src/click/core.py:3033: in get_help_record\n    extra = self.get_help_extra(ctx)\n            ^^^^^^^^^^^^^^^^^^^^^^^^\n/var/folders/3q/_mxxn9_d72j97qgtpv9dh4sc0000gn/T/latch-proof-shtad56k/base/src/click/core.py:3113: in get_help_extra\n    elif default_value == \"\":\n         ^^^^^^^^^^^^^^^^^^^\n/private/tmp/venv-click/lib/python3.12/site-packages/semver/version.py:66: in wrapper\n    return operator(self, other)\n           ^^^^^^^^^^^^^^^^^^^^^\n/private/tmp/venv-click/lib/python3.12/site-packages/semver/version.py:514: in __eq__\n    return self.compare(other) == 0\n           ^^^^^^^^^^^^^^^^^^^\n/private/tmp/venv-click/lib/python3.12/site-packages/semver/version.py:439: in compare\n    other = cls.parse(other)\n            ^^^^^^^^^^^^^^^^\n/private/tmp/venv-click/lib/python3.12/site-packages/semver/version.py:699: in parse\n    raise ValueError(f\"{version} is not valid SemVer string\")\nE   ValueError:  is not valid SemVer string\n\nDuring handling of the above exception, another exception occurred:\nlatch_issue_test.py:21: in test_semver_version_default_show_default\n    pytest.fail(f\"Latch expected the issue operation to succeed: {e}\")\nE   Failed: Latch expected the issue operation to succeed:  is not valid SemVer string\n======================================================================================= short test summary info ========================================================================================\nFAILED latch_issue_test.py::test_semver_version_default_show_default - Failed: Latch expected the issue operation to succeed:  is not valid SemVer string\n1 failed in 0.11s\n", "stderr": ""}, "head_result": {"returncode": 0, "stdout": ".                                                                                                                                                                                                [100%]\n1 passed in 0.07s\n", "stderr": ""}, "test_name": "test_semver_version_default_show_default", "base_failure_type": "unexpected-operation", "base_failure_is_expected": true, "revert_check": {"ran": true, "ok": true, "mutants": [{"name": "revert_fix_to_base", "files": ["src/click/core.py"], "returncode": 1, "failure_type": "unexpected-operation", "failed_as_expected": true, "output": "\n/var/folders/3q/_mxxn9_d72j97qgtpv9dh4sc0000gn/T/latch-proof-shtad56k/mutants/revert-fix/src/click/core.py:3113: in get_help_extra\n    elif default_value == \"\":\n         ^^^^^^^^^^^^^^^^^^^\n/private/tmp/venv-click/lib/python3.12/site-packages/semver/version.py:66: in wrapper\n    return operator(self, other)\n           ^^^^^^^^^^^^^^^^^^^^^\n/private/tmp/venv-click/lib/python3.12/site-packages/semver/version.py:514: in __eq__\n    return self.compare(other) == 0\n           ^^^^^^^^^^^^^^^^^^^\n/private/tmp/venv-click/lib/python3.12/site-packages/semver/version.py:439: in compare\n    other = cls.parse(other)\n            ^^^^^^^^^^^^^^^^\n/private/tmp/venv-click/lib/python3.12/site-packages/semver/version.py:699: in parse\n    raise ValueError(f\"{version} is not valid SemVer string\")\nE   ValueError:  is not valid SemVer string\n\nDuring handling of the above exception, another exception occurred:\nlatch_issue_test.py:21: in test_semver_version_default_show_default\n    pytest.fail(f\"Latch expected the issue operation to succeed: {e}\")\nE   Failed: Latch expected the issue operation to succeed:  is not valid SemVer string\n======================================================================================= short test summary info ========================================================================================\nFAILED latch_issue_test.py::test_semver_version_default_show_default - Failed: Latch expected the issue operation to succeed:  is not valid SemVer string\n1 failed in 0.37s\n", "identical_to_base": false, "note": "all non-test files the change touched were set back to base"}], "tests_kept": ["tests/test_options.py"], "summary": "the proof test went red again on every mutant (fix reverted)"}, "triage": {"model": "nvidia/Nemotron-3_5-Lightning", "completion_id": "chatcmpl-7f665abe", "verdict": "reproduced", "text": "REPRODUCES\nThe test triggers the exact `ValueError` from `semver.Version` comparison in `get_help_extra` when `show_default=True`, matching the reported bug.", "advisory": true}, "test_attempts": [{"attempt": 1, "completion_id": "chatcmpl-a7589d01d509ec91", "valid": true, "rejection": null, "source": "def test_semver_version_default_show_default():\n    import pytest\n    import semver\n    import click\n\n    try:\n        opt = click.Option(\n            [\"--version\"],\n            default=semver.Version(1, 0, 0),\n            show_default=True,\n            help=\"Version\",\n        )\n        ctx = click.Context(click.Command(\"test\"))\n        help_record = opt.get_help_record(ctx)\n        help_text = help_record[1]\n        expected_default = str(semver.Version(1, 0, 0))\n        assert f\"[default: {expected_default}]\" in help_text\n    except Exception as e:\n        pytest.fail(f\"Latch expected the issue operation to succeed: {e}\")", "tautology": {"checked": true, "changed_symbols": ["Option", "get_help_extra"], "asserted_symbols": ["Command", "Context", "Option", "get_help_record"], "ok": true, "reason": null, "affected_symbols": ["AliasedGroup", "Argument", "BadArgumentUsage", "BadOptionUsage", "BadParameter", "BashComplete", "BoolParamType", "Choice", "CliRunner", "Command", "CommandCollection", "ComplexCLI", "Config", "Context", "DateTime", "Editor", "File", "FishComplete", "FuncParamType", "Group", "MissingParameter", "NoArgsIsHelpError", "NoSuchOption", "ParamType", "Parameter", "Path", "Result", "ShellComplete", "StringParamType", "Tuple", "UUIDParameterType", "UnprocessedParamType", "UsageError", "ZshComplete", "_BaseCommand", "_MultiCommand", "_NumberParamTypeBase", "_NumberRangeBase", "_OptionParser", "__call__", "__enter__", "__getattr__", "__init__", "_check_nested_chain", "_complete_visible_commands", "_get_value_from_state", "_is_incomplete_argument", "_is_incomplete_option", "_main_shell_completion", "_make_sub_context", "_match_long_opt", "_match_short_opt", "_normalize_opt", "_normalized_mapping", "_param_memo", "_process_opts", "_process_result", "_resolve_context", "_resolve_incomplete", "_start_of_option", "add_alias", "add_command", "add_option", "add_source", "add_to_parser", "alias", "argument", "augment_usage_errors", "blur_cmd", "callback", "clear", "cli", "clone", "collect_usage_pieces", "colordemo", "command", "command_path", "commit", "complete", "confirmation_option", "consume_value", "convert", "copy", "crop_cmd", "decorator", "delete", "display_cmd", "edit", "edit_files", "emboss_cmd", "fail", "find_object", "find_root", "format_commands", "format_epilog", "format_help", "format_help_text", "format_options", "format_usage", "forward", "get_command", "get_completion_class", "get_completions", "get_current_context", "get_default", "get_default_prog_name", "get_error_hint", "get_help", "get_help_option", "get_help_option_names", "get_help_record", "get_invalid_choice_message", "get_metavar", "get_missing_message", "get_params", "get_usage", "get_usage_pieces", "group", "handle_parse_result", "help_option", "invoke", "iter_params_for_processing", "list_commands", "locate", "ls", "main", "make_context", "make_metavar", "make_parser", "make_pass_decorator", "menu", "mine", "mine_remove", "mine_set", "new_func", "normalize_choice", "open", "open_cmd", "option", "pager", "parse_args", "pass_context", "pass_meta_key", "password_option", "paste_cmd", "pause", "process_commands", "process_value", "progress", "prompt", "prompt_for_value", "pull", "push", "push_context", "resize_cmd", "resolve_command", "resolve_envvar_value", "result_callback", "save_cmd", "scope", "select_user", "setuser", "sharpen_cmd", "shell_complete", "ship", "ship_move", "ship_new", "ship_shoot", "show", "show_env", "show_help", "smoothen_cmd", "sort_key", "status", "to_info_dict", "transpose_cmd", "type_cast_value", "value_from_envvar", "version_option"], "mode": "changed"}}], "model_retries": [], "provider": "nebius", "model_calls": [{"role": "repo_map", "provider": "nebius", "model": "nvidia/Nemotron-3_5-Lightning", "prompt_tokens": 2305, "completion_tokens": 1024, "latency_ms": 6057, "completion_id": "chatcmpl-b012200a", "cost_usd": 0.000384, "status": 200}, {"role": "test_writer", "provider": "nebius", "model": "nvidia/Nemotron-3-Ultra-550b-a55b", "prompt_tokens": 3046, "completion_tokens": 970, "latency_ms": 3297, "completion_id": "chatcmpl-a7589d01d509ec91", "cost_usd": 0.005956, "status": 200}, {"role": "triage", "provider": "nebius", "model": "nvidia/Nemotron-3_5-Lightning", "prompt_tokens": 931, "completion_tokens": 1029, "latency_ms": 13578, "completion_id": "chatcmpl-7f665abe", "cost_usd": 0.000303, "status": 200}], "model_cost_usd": 0.006643, "model_prices_source": "https://tokenfactory.nebius.com/model-catalog.md", "steps": [{"step": "fetch", "status": "started", "ts": "2026-10-30T08:15:03.212Z", "detail": {"base": "04ef3a6f473deb2499721a8d11f92a7d2c0912f2", "head": "d340b0c1202284a1b9d0ca892549208527d586ce"}}, {"step": "fetch", "status": "done", "ts": "2026-10-30T08:15:03.297Z", "detail": {"base": "04ef3a6f473d", "head": "d340b0c12022", "changed_python_files": ["src/click/core.py", "tests/test_options.py"]}}, {"step": "repo_map", "status": "started", "ts": "2026-10-30T08:15:03.679Z", "detail": {"model": "nvidia/Nemotron-3_5-Lightning"}}, {"step": "repo_map", "status": "failed", "ts": "2026-10-30T08:15:09.792Z", "detail": {"files": [], "dropped": [], "detail": "HTTP 200"}}, {"step": "test_writer", "status": "started", "ts": "2026-10-30T08:15:09.792Z", "detail": {"model": "nvidia/Nemotron-3-Ultra-550b-a55b"}}, {"step": "test_writer", "status": "done", "ts": "2026-10-30T08:15:13.091Z", "detail": {"attempts": 1, "completion_id": "chatcmpl-a7589d01d509ec91"}}, {"step": "base_run", "status": "started", "ts": "2026-10-30T08:15:13.091Z", "detail": null}, {"step": "base_run", "status": "done", "ts": "2026-10-30T08:15:13.578Z", "detail": {"returncode": 1, "failure_type": "unexpected-operation"}}, {"step": "head_run", "status": "started", "ts": "2026-10-30T08:15:13.578Z", "detail": null}, {"step": "head_run", "status": "done", "ts": "2026-10-30T08:15:13.855Z", "detail": {"returncode": 0}}, {"step": "triage", "status": "started", "ts": "2026-10-30T08:15:13.855Z", "detail": {"model": "nvidia/Nemotron-3_5-Lightning"}}, {"step": "triage", "status": "done", "ts": "2026-10-30T08:15:27.434Z", "detail": {"verdict": "reproduced", "completion_id": "chatcmpl-7f665abe"}}, {"step": "flake_check", "status": "started", "ts": "2026-10-30T08:15:27.434Z", "detail": {"runs": 5}}, {"step": "flake_check", "status": "done", "ts": "2026-10-30T08:15:29.843Z", "detail": {"runs": 5, "flaky": false, "flake_rate": 0.0, "base_fail_rate": 1.0, "head_pass_rate": 1.0}}, {"step": "revert_check", "status": "started", "ts": "2026-10-30T08:15:29.843Z", "detail": null}, {"step": "revert_check", "status": "done", "ts": "2026-10-30T08:15:30.558Z", "detail": "the proof test went red again on every mutant (fix reverted)"}, {"step": "mutation_check", "status": "started", "ts": "2026-10-30T08:15:30.561Z", "detail": null}, {"step": "mutation_check", "status": "done", "ts": "2026-10-30T08:15:31.984Z", "detail": {"killed": 2, "total": 3, "kill_rate": 0.667}}, {"step": "verdict", "status": "done", "ts": "2026-10-30T08:15:32.073Z", "detail": {"verdict": "VALIDATED", "reason": "red on base with an assertion, green on head, stable over 5 runs, killed the revert, killed 2/3 mutants"}}], "test_runner": "Local run on the Mac: python 3.12 venv with pytest and semver, no isolated VM (Click PR code run directly; public pallets/click commits)", "pull_request_url": "https://github.com/pallets/click/pull/3299", "pull_request_title": "Fix speculative empty string check", "issue_url": "https://github.com/pallets/click/issues/3298", "issue_title": "semver.Version as default causing an error", "base_branch": "stable", "head_branch": "fix-default-eq-check"}, "meta": {"source": "recorded", "verdict": "proven", "verdict_code": "VALIDATED", "why_not_proven": null, "test_attempts_note": null, "model_retries_note": null, "created_at": "2026-10-30T08:49:58Z", "finished_at": null, "duration_s": null, "recorded_basis": "date of the commit (1da9bea) that re-recorded latch/runs/click-3298.json on Nebius", "recorded_run": "latch/runs/click-3298.json", "note": "Recorded run of the same pipeline. Press Run live to reproduce it.", "enriched_fields": ["base_branch", "head_branch", "issue_title", "issue_url", "pull_request_title", "pull_request_url"], "repo": "pallets/click", "number": 3299}}