{ "run_id": "asottile--add-trailing-comma-claude-haiku-5-5-1793135839621073920", "date": "2026-10-27T21:21:20.537220+00:00", "repo": "asottile/add-trailing-comma", "kind": "repo", "source": "https://github.com/asottile/add-trailing-comma", "commit": "4aa21034cf9e0aef19376abd3922943400b16ee1", "model": "claude-haiku-5-5", "model_version": "claude-haiku-5-5", "test_version": "readme-d5b140d3c0f8b95c2dd6fe6fc381a303cacb92679582c22317d8e78b572f0cf2", "pass": true, "outcome": "pass", "time_to_working_s": 92.8561027729993, "total_s": 240.9161183834076, "steps": [ "cd && pwd && ls -la && git status 2>&1 | head -3; id -u; python3 --version; cat README.md 2>/dev/null | head -150", "ls /inputs 2>&1; ls 2>&1; echo CDP=$CDP_URL $", "cd && sed -n 150,400p README.md; ls -la .coldpass; cat setup.py tox.ini; cat requirements-dev.txt", "cd && grep -n -i \"usage\\|^#\" README.md; sed -n 1,80p add_trailing_comma/_main.py | grep -n \"argparse\\|add_argument\\|def main\" ; which pip3 python3; python3 -m venv --help >/dev/null 2>&1 && echo venv_ok", "cd && git init -q && git remote add origin https://github.com/asottile/add-trailing-comma && (git fetch --depth 1 origin 4aa21034cf9e0aef19376abd3922943400b16ee1 2>&1 | tail -3) && git reset --mixed FETCH_HEAD 2>&1 | tail -2; git log --oneline -1; python3 -m venv && install -q --upgrade pip && install -q -r requirements-dev.txt && install -q . 2>&1 | tail -5; ls | grep -i trailing", "cd && sed -n 1,60p add_trailing_comma/_main.py; sed -n 56,120p add_trailing_comma/_main.py | grep -n \"in_place\\|print\\|write\" ", "cd && printf 'x(\\n arg,\\n arg2\\n)\\n' | -; echo rc=$?; printf 'x = [\\n 1, 2, 3\\n]\\n' | -; echo rc=$?; --version; -m pytest -q tests 2>&1 | tail -3", "cd && mkdir -p .coldpass && cat > .coldpass/probe.json <<'EOF'\n{\"kind\":\"cli\",\"argv\":[\"\",\"-\"],\"cwd\":\"\",\"stdin\":\"x(\\n arg,\\n arg2\\n)\\n\",\"expected_returncode\":1,\"expected_text\":\" arg2,\"}\nEOF\ncat > .coldpass/claims.json <<'EOF'\n[\n{\"kind\":\"claim\",\"claim\":\"adds trailing commas to function calls\",\"source\":\"A tool (and pre-commit hook) to automatically add trailing commas to calls and\",\"input\":\"x(\\n arg,\\n arg2\\n)\\n\",\"expected\":\"last argument gets a trailing comma\",\"probe_kind\":\"cli\",\"argv\":[\"\",\"-\"],\"stdin\":\"x(\\n arg,\\n arg2\\n)\\n\",\"expected_returncode\":1,\"expected_text\":\" arg2,\",\"cwd\":\"\"},\n{\"kind\":\"claim\",\"claim\":\"unhugs leading paren and adds trailing comma\",\"source\":\"-function_name(arg1,\",\"input\":\"function_name(arg1,\\n arg2)\\n\",\"expected\":\"arguments are split onto their own lines with trailing comma\",\"probe_kind\":\"cli\",\"argv\":[\"\",\"-\"],\"stdin\":\"function_name(arg1,\\n arg2)\\n\",\"expected_returncode\":1,\"expected_text\":\" arg2,\",\"cwd\":\"\"},\n{\"kind\":\"claim\",\"claim\":\"removes unnecessary trailing commas\",\"source\":\"-[1, 2, 3,]\",\"input\":\"[1, 2, 3,]\\n\",\"expected\":\"trailing comma removed from single-line list\",\"probe_kind\":\"cli\",\"argv\":[\"\",\"-\"],\"stdin\":\"[1, 2, 3,]\\n\",\"expected_returncode\":1,\"expected_text\":\"[1, 2, 3]\",\"cwd\":\"\"}\n]\nEOF\ncat > .coldpass/examples.json <<'EOF'\n[\n{\"kind\":\"example\",\"claim\":\"repository test suite (documented tox command) passes\",\"source\":\"tox.ini\",\"input\":\"tests directory\",\"expected\":\"all tests pass\",\"argv\":[\"\",\"-m\",\"pytest\",\"tests\"],\"cwd\":\"\",\"expected_text\":\"passed\"},\n{\"kind\":\"example\",\"claim\":\"pre-commit hook usage\",\"source\":\"README.md\",\"reason\":\"pre-commit needs to clone the repo from GitHub and install its own environment; not run in this guest. Ran the CLI hook entry directly instead via the claims above.\"}\n]\nEOF\ncat > .coldpass/cycles.json <<'EOF'\n{\"detected\":false,\"reason\":\"Entry points inspected (add_trailing_comma/_main.py, setup.py, README.md, tox.ini): this is a one-shot CLI and pre-commit hook with no scheduler, loop, daemon, webhook, or --once/--now mode; it runs once per invocation.\",\"checks\":[]}\nEOF\n -m json.tool .coldpass/*.json >/dev/null -I 2>&1; for f in .coldpass/*.json; do python3 -c \"import json,sys;json.load(open(sys.argv[1]))\" $f && echo ok $f; done; = python3 -I --validate --replay 2>&1 | tail -60", "cd && ls -a; ls -d build *.egg-info add_trailing_comma.egg-info 2>/dev/null; git status --short | head; cat > .coldpass/report.json <<'EOF'\n{\"outcome\":\"working\",\"fault_owner\":null,\"operation\":\"Run add-trailing-comma on Python source via its documented CLI (stdin mode) and get trailing commas added; run the test suite\",\"operation_scope\":\"Local CLI on Python 3.12.3 in a venv at ; install from the local pinned checkout (commit 4aa21034cf9e0aef19376abd3922943400b16ee1); no browser or credentials needed\",\"steps\":[\"git init; git remote add origin https://github.com/asottile/add-trailing-comma; git fetch --depth 1 origin 4aa21034cf9e0aef19376abd3922943400b16ee1; git reset --mixed FETCH_HEAD\",\"python3 -m venv \",\" install -r requirements-dev.txt\",\" install .\",\"printf 'x(\\\\n arg,\\\\n arg2\\\\n)\\\\n' | -\",\" -m pytest tests (148 passed)\"],\"deviations\":[\"README install is 'pip install add-trailing-comma' from PyPI; instead installed the pinned local source checkout with 'pip install .' so the tested code is the snapshot under review.\",\"pre-commit hook usage in README not run: it requires cloning the repo from GitHub and creating its own environment; the hook entry was exercised through the CLI instead.\",\"The tool exits 1 when it rewrites input (documented in claims as expected_returncode 1); --version is not supported (help-only check, not used as evidence).\"],\"stuck_step\":null,\"main_blocker\":null,\"plain_failure\":null,\"suggested_fix\":null}\nEOF\npython3 -c \"import json;json.load(open('.coldpass/report.json'));print('report ok')\"", "cd && rm -rf build add_trailing_comma.egg-info .pytest_cache && = python3 -I --validate --replay 2>&1 | python3 -c \"import sys,json;d=json.loads(sys.stdin.read());print(d['valid'],d['problems'],d['replay']['status'])\"" ], "stuck_step": null, "error_excerpt": null, "what_it_did": "Run add-trailing-comma on Python source via its documented CLI (stdin mode) and get trailing commas added; run the test suite", "suggested_fix": null, "tokens_in": 137403, "tokens_out": 7597, "cost_usd": 0.00881872, "usage_complete": true, "checks": [ { "check": "operation", "status": "PASS", "details": { "working": true, "argv": [ "", "-" ], "kind": "cli", "returncode": 1, "stdout": "x(\n arg,\n arg2,\n)", "stderr": "", "needs_credentials": false, "needs_browser": false, "scope": "product operation" } } ], "safety": { "version": "z2x-1", "rules_version": "z2x-1", "summary": "No problems traced to this repository code in these checks.", "expected": "Reviewed as expected for a test run: attempted writes that failed, so nothing was written.", "findings": [], "context": [], "limitations": [ "A short run cannot establish that code is safe.", "Connections show IP addresses; proxies can hide the final hostname.", "Tracing covers dispatched commands and their children, not the whole OS; guest root can interfere with tracing." ], "static": { "dependency_note": "OSV scanned supported lockfiles; unpinned dependencies and unsupported formats are outside this check." }, "evidence_url": "/safety/?run=asottile--add-trailing-comma-claude-haiku-5-5-1793135839621073920", "evidence_file": "/data/safety/asottile--add-trailing-comma-claude-haiku-5-5-1793135839621073920.json.gz" }, "agent_execution": "native_agent", "agent_runtime": "claude-code", "agent_runtime_version": "2.1.310 (Claude Code)", "tool_transport": "mcp-assigned-vm", "platform": "linux", "reasoning": "low", "service_tier": null, "resources": { "cpus": 2, "memory_mib": 4096, "disk_mib": 32768 }, "native_tool_calls": 10, "native_bundle": null, "architecture": null, "backend": "hyperv", "platform_details": { "backend": "hyperv", "os": "linux" }, "platform_conflicts": null, "sandbox_source": null, "source_pin": { "commit": "4aa21034cf9e0aef19376abd3922943400b16ee1", "url": "https://github.com/asottile/add-trailing-comma" }, "purpose": "test_rerun", "profile": { "model": "claude-haiku-5-5", "reasoning": "low" }, "fault": { "owner": null, "status": "resolved", "reason": null }, "fix_id": "fix-cebcfa10cb08ec7216ef", "verifies_run_id": "asottile--add-trailing-comma-claude-haiku-5-5-1793125103461283247", "hosting": null, "operation_scope": "product operation", "tool_calls": 10, "guest_setup": null, "runtime": null, "runtime_version": null, "runtime_revision": null, "source_revision": null, "evidence_version": null, "failure_origin": null, "evidence_strength": "readme_checked", "works": "yes", "install_s": null, "first_use_s": null, "mcp": "none", "needs": [], "needs_which": null, "agent_interface": [ "cli" ], "license": "MIT", "repo_url": "https://github.com/asottile/add-trailing-comma", "cost_to_try": "free", "hardware": null, "what_failed": null, "local_or_hosted": "local", "cycle_checks": [ { "kind": "cycle", "claim": "Scheduled or looping main behavior", "source": "repository entry points", "input": "source inspection", "expected": "identify the product trigger", "verdict": "yes", "outcome": "Entry points inspected (add_trailing_comma/_main.py, setup.py, README.md, tox.ini): this is a one-shot CLI and pre-commit hook with no scheduler, loop, daemon, webhook, or --once/--now mode; it runs once per invocation.", "evidence": "Entry points inspected (add_trailing_comma/_main.py, setup.py, README.md, tox.ini): this is a one-shot CLI and pre-commit hook with no scheduler, loop, daemon, webhook, or --once/--now mode; it runs once per invocation.", "command": "" } ], "claims": [ { "kind": "claim", "claim": "adds trailing commas to function calls", "source": "A tool (and pre-commit hook) to automatically add trailing commas to calls and", "input": "x(\n arg,\n arg2\n)\n", "expected": "last argument gets a trailing comma", "command": " -", "verdict": "yes", "outcome": "Real input produced the expected result: arg2,", "evidence": "arg2,\n)\n", "returncode": 1, "source_checked": true, "source_file": "README.md" }, { "kind": "claim", "claim": "unhugs leading paren and adds trailing comma", "source": "-function_name(arg1,", "input": "function_name(arg1,\n arg2)\n", "expected": "arguments are split onto their own lines with trailing comma", "command": " -", "verdict": "yes", "outcome": "Real input produced the expected result: arg2,", "evidence": "arg2,\n)\n", "returncode": 1, "source_checked": true, "source_file": "README.md" }, { "kind": "claim", "claim": "removes unnecessary trailing commas", "source": "-[1, 2, 3,]", "input": "[1, 2, 3,]\n", "expected": "trailing comma removed from single-line list", "command": " -", "verdict": "yes", "outcome": "Real input produced the expected result: [1, 2, 3]", "evidence": "[1, 2, 3]\n", "returncode": 1, "source_checked": true, "source_file": "README.md" } ], "claims_note": null, "example_checks": [ { "kind": "example", "claim": "repository test suite (documented tox command) passes", "source": "tox.ini", "input": "tests directory", "command": " -m pytest tests", "evidence": "............ [ 47%]\ntests/features/match_test.py ......... [ 53%]\ntests/features/pep695_test.py ......... [ 59%]\ntests/features/remove_commas_test.py ........ [ 64%]\ntests/features/unhug_test.py ............................. [ 84%]\ntests/features/with_test.py ........... [ 91%]\ntests/main_test.py ............ [100%]\n\n============================= 148 passed in 1.62s ==============================", "deferred": false, "expected": "all tests pass", "returncode": 0, "verdict": "yes", "outcome": "command completed successfully" }, { "kind": "example", "claim": "pre-commit hook usage", "source": "README.md", "input": "", "command": "", "evidence": "pre-commit needs to clone the repo from GitHub and install its own environment; not run in this guest. Ran the CLI hook entry directly instead via the claims above.", "deferred": false, "expected": "documented command completes successfully", "verdict": "blocked", "outcome": "pre-commit needs to clone the repo from GitHub and install its own environment; not run in this guest. Ran the CLI hook entry directly instead via the claims above." } ], "does_what_it_says": "yes", "maintenance": { "archived": false, "commits_90d": 10, "last_commit_at": "2026-10-13T14:34:59Z", "last_release_at": null, "median_reply_hours": 0.3, "merged_prs_90d": 5, "note": "actively maintained: last commit 14 days ago; 10 commits and 5 merged PRs in 90 days; 0 open issues, 0 open PRs; 19 of 24 recent threads got a maintainer reply, median first reply 0.3h; no releases", "open_issues": 0, "open_prs": 0, "reply_share": 0.79, "reply_threads": 24, "verdict": "maintained" }, "maintenance_verdict": "maintained", "maintenance_note": "actively maintained: last commit 14 days ago; 10 commits and 5 merged PRs in 90 days; 0 open issues, 0 open PRs; 19 of 24 recent threads got a maintainer reply, median first reply 0.3h; no releases", "maintained": "active", "maintained_note": "last commit 14 days ago; 0 open issues, 1 answered or closed", "last_commit_at": "2026-10-13T14:35:03Z", "last_release_at": null, "open_issues": 0, "answered_issues": 1, "platforms_claimed": [ "linux" ], "topic": "coding", "agent_interfaces": [ { "interface": "cli", "evidence": "independent checker", "observed": true, "operation_checked": true } ], "agent_interfaces_note": "README metadata is a discovery hint, not pinned documentation proof. Observed interfaces were exercised in this run. An empty list means unknown.", "mcp_context": null, "tested_at": "2026-10-27T21:21:20.537220+00:00", "tested_commit": "4aa21034cf9e0aef19376abd3922943400b16ee1", "tested_with": { "agent": "claude-code", "agent_version": "2.1.310 (Claude Code)", "model": "claude-haiku-5-5", "model_route": "claude-haiku-5-5", "reasoning": "low", "os": "linux", "backend": "hyperv", "transport": "mcp-assigned-vm" }, "setup_identity": { "repo": "asottile/add-trailing-comma", "source": "https://github.com/asottile/add-trailing-comma", "commit": "4aa21034cf9e0aef19376abd3922943400b16ee1", "source_revision": null, "os": "linux", "architecture": null, "backend": "hyperv", "model": "claude-haiku-5-5", "model_version": "claude-haiku-5-5", "agent_execution": "native_agent", "agent_runtime": "claude-code", "agent_runtime_version": "2.1.310 (Claude Code)", "tool_transport": "mcp-assigned-vm", "runtime": null, "runtime_version": null, "runtime_revision": null, "sandbox_source": null, "guest_setup": null, "source_pin": { "commit": "4aa21034cf9e0aef19376abd3922943400b16ee1", "url": "https://github.com/asottile/add-trailing-comma" }, "platform_details": { "os": "linux", "backend": "hyperv" }, "platform_conflicts": null, "reasoning": "low", "service_tier": null, "resources": { "cpus": 2, "memory_mib": 4096, "disk_mib": 32768 }, "operation": "Run add-trailing-comma on Python source via its documented CLI (stdin mode) and get trailing commas added; run the test suite", "operation_scope": "product operation", "hosting": null, "kind": "repo", "test_version": "readme-d5b140d3c0f8b95c2dd6fe6fc381a303cacb92679582c22317d8e78b572f0cf2", "evidence_version": null }, "transcript_url": "/transcripts/asottile--add-trailing-comma-claude-haiku-5-5-1793135839621073920.txt", "report_url": "/reports/asottile--add-trailing-comma-claude-haiku-5-5-1793135839621073920.json" }