{ "run_id": "PyCQA--pyflakes-claude-haiku-5-5-1793087582110967415", "date": "2026-10-27T07:56:15.502160+00:00", "repo": "PyCQA/pyflakes", "kind": "repo", "source": "https://github.com/PyCQA/pyflakes", "commit": "f0a8b98156ba1645a45bc7d77dcfe79dbbf11f10", "model": "claude-haiku-5-5", "model_version": "claude-haiku-5-5", "test_version": "readme-d5b140d3c0f8b95c2dd6fe6fc381a303cacb92679582c22317d8e78b572f0cf2", "pass": true, "outcome": "pass", "time_to_working_s": 97.29338545299834, "total_s": 193.39115619659424, "steps": [ "cd && ls -la && id -u && python3 --version && cat README.md | head -c 6000", "cd && git status 2>&1 | head -5; ls /inputs 2>&1; echo CDP=$CDP_URL; curl -s -m 10 -i $CDP_URL/json/version | head -20", "cd && cat README.rst && echo ---- && cat tox.ini requirements-dev.txt setup.cfg && ls -la .coldpass bin", "mkdir -p && cd && python3 -m venv 2>&1 | tail -3; ls 2>&1 | head", " install --upgrade pyflakes 2>&1 | tail -5; -m pip show pyflakes 2>&1 | head -3", "cd && -c \"import pyflakes,sys;print(pyflakes.__file__)\" ; -m pyflakes --version; echo rc=$?; -m pyflakes pyflakes/checker.py; echo rc=$?; printf 'import os\\nx = undefined_name\\n' > ; -m pyflakes ; echo rc=$?", "cd && -m pyflakes . ; echo rc=$?; -m unittest discover pyflakes 2>&1 | tail -5; echo rc=$?", "cd && cat > probe.json <<'EOF'\n{\"kind\":\"cli\",\"argv\":[\"\",\"-m\",\"pyflakes\",\"\"],\"cwd\":\"\",\"expected_returncode\":1,\"expected_text\":\"undefined name 'undefined_name'\"}\nEOF\ncat > claims.json <<'EOF'\n[\n{\"kind\":\"claim\",\"claim\":\"Pyflakes checks Python source files for errors\",\"source\":\"A simple program which checks Python source files for errors.\",\"input\":\"\",\"expected\":\"reports undefined name\",\"probe_kind\":\"cli\",\"argv\":[\"\",\"-m\",\"pyflakes\",\"\"],\"expected_returncode\":1,\"expected_text\":\"undefined name 'undefined_name'\",\"cwd\":\"\"},\n{\"kind\":\"claim\",\"claim\":\"Pyflakes detects unused imports and undefined names\",\"source\":\"Pyflakes analyzes programs and detects various errors.\",\"input\":\"\",\"expected\":\"reports unused import os\",\"probe_kind\":\"cli\",\"argv\":[\"\",\"-m\",\"pyflakes\",\"\"],\"expected_returncode\":1,\"expected_text\":\"'os' imported but unused\",\"cwd\":\"\"},\n{\"kind\":\"claim\",\"claim\":\"python -m pyflakes . is a documented invocation\",\"source\":\"You can also invoke Pyflakes with ``python#.# -m pyflakes .`` if you want\",\"input\":\"checkout directory\",\"expected\":\"no findings, exit 0\",\"probe_kind\":\"cli\",\"argv\":[\"\",\"-m\",\"pyflakes\",\".\"],\"expected_text\":\"\",\"cwd\":\"\"}\n]\nEOF\npython3 -I -m json.tool probe.json >/dev/null && python3 -I -m json.tool claims.json >/dev/null && echo ok", "cd && cat > examples.json <<'EOF'\n[\n{\"kind\":\"example\",\"claim\":\"Repository unit tests run via tox command\",\"source\":\"tox.ini\",\"input\":\"unittest discover pyflakes\",\"expected\":\"all tests pass\",\"argv\":[\"\",\"-m\",\"unittest\",\"discover\",\"pyflakes\"],\"cwd\":\"\",\"expected_text\":\"OK (skipped=28)\"}\n]\nEOF\ncat > cycles.json <<'EOF'\n{\"detected\":false,\"reason\":\"Entry points inspected (bin/pyflakes, pyflakes/__main__.py, pyflakes/api.py, README.rst, tox.ini): pyflakes is a one-shot linter run per invocation; no cron, scheduler, loop, webhook, --once or --now option exists.\",\"checks\":[]}\nEOF\npython3 -I -m json.tool examples.json >/dev/null && python3 -I -m json.tool cycles.json >/dev/null && echo ok; ls ", "cd && ls && = python3 -I --validate --replay 2>&1 | tail -c 5000", "cd && grep -n \"source_file\\|README\" check.py | head -40; grep -n \"agent-written\" check.py | head", "cd && sed -n 1275,1292p check.py; sed -n 900,912p check.py; grep -n \"def is_agent\\|agent_written\\|def _agent\" check.py | head", "cd && sed -n 357,372p check.py", "cd && grep -n \"stdin\\|'-'\" pyflakes/api.py pyflakes/__main__.py | head; grep -n \"def main\" -A12 pyflakes/api.py | head -30", "cd && cat > probe.json <<'EOF'\n{\"kind\":\"cli\",\"argv\":[\"\",\"-m\",\"pyflakes\"],\"cwd\":\"\",\"stdin\":\"import os\\nx = undefined_name\\n\",\"expected_returncode\":1,\"expected_text\":\"undefined name 'undefined_name'\"}\nEOF\ncat > claims.json <<'EOF'\n[\n{\"kind\":\"claim\",\"claim\":\"Pyflakes checks Python source files for errors\",\"source_file\":\"README.rst\",\"source\":\"A simple program which checks Python source files for errors.\",\"input\":\"import os\\nx = undefined_name\\n (stdin)\",\"expected\":\"reports undefined name\",\"probe_kind\":\"cli\",\"argv\":[\"\",\"-m\",\"pyflakes\"],\"stdin\":\"import os\\nx = undefined_name\\n\",\"expected_returncode\":1,\"expected_text\":\"undefined name 'undefined_name'\",\"cwd\":\"\"},\n{\"kind\":\"claim\",\"claim\":\"Pyflakes detects various errors such as unused imports\",\"source_file\":\"README.rst\",\"source\":\"Pyflakes analyzes programs and detects various errors.\",\"input\":\"import os\\nx = undefined_name\\n (stdin)\",\"expected\":\"reports unused import os\",\"probe_kind\":\"cli\",\"argv\":[\"\",\"-m\",\"pyflakes\"],\"stdin\":\"import os\\nx = undefined_name\\n\",\"expected_returncode\":1,\"expected_text\":\"'os' imported but unused\",\"cwd\":\"\"}\n]\nEOF\ncat > examples.json <<'EOF'\n[\n{\"kind\":\"example\",\"claim\":\"Check the checkout with the documented python -m pyflakes . invocation\",\"source\":\"README.rst: You can also invoke Pyflakes with python#.# -m pyflakes .\",\"input\":\"checkout directory (.)\",\"expected\":\"no findings, exit 0\",\"argv\":[\"\",\"-m\",\"pyflakes\",\".\"],\"cwd\":\"\"},\n{\"kind\":\"example\",\"claim\":\"Repository unit tests run via tox command\",\"source\":\"tox.ini\",\"input\":\"unittest discover pyflakes\",\"expected\":\"all tests pass\",\"argv\":[\"\",\"-m\",\"unittest\",\"discover\",\"pyflakes\"],\"cwd\":\"\",\"expected_text\":\"OK (skipped=28)\"}\n]\nEOF\npython3 -I -m json.tool probe.json >/dev/null && python3 -I -m json.tool claims.json >/dev/null && python3 -I -m json.tool examples.json >/dev/null && echo ok", "cd && = python3 -I --validate --replay 2>&1 | tail -c 6000", "cd && cat > report.json <<'EOF'\n{\"outcome\":\"working\",\"fault_owner\":null,\"operation\":\"Check Python source for errors with the pyflakes command-line tool (python -m pyflakes), reading source from stdin and from the checkout directory\",\"operation_scope\":\"Linux guest, Python 3.12.3 venv at , pyflakes run from the checked-out source snapshot (workspace is not a git repo; pinned commit f0a8b98156ba1645a45bc7d77dcfe79dbbf11f10 not verified because no git metadata was available; source was used as provided)\",\"steps\":[\"python3 -m venv \",\" install --upgrade pyflakes (README Installation)\",\"cd && -m pyflakes . (README Useful tips; exit 0, no findings)\",\"printf 'import os\\\\nx = undefined_name\\\\n' | -m pyflakes (reports unused import os and undefined name; exit 1)\",\" -m unittest discover pyflakes (tox.ini test command; 795 tests, OK, skipped=28)\"],\"deviations\":[\"The README says pip install --upgrade pyflakes, which installed PyPI pyflakes 4.0.3 into the venv; the probes ran the checkout's own pyflakes source because the working directory comes first on sys.path (confirmed by printing pyflakes.__file__ from the workspace).\",\"The workspace has no .git directory, so the git init/fetch/reset pin step could not be applied and the pinned commit was not verified.\",\"The checker path /inputs/coldpass-preflight.py does not exist in this guest; used instead.\",\"First probe used a sample .py file outside the workspace, which the checker treats as agent-written code; replaced with the documented stdin invocation (pyflakes reads stdin when no path is given, pyflakes/api.py).\"],\"stuck_step\":null,\"main_blocker\":null,\"plain_failure\":null,\"suggested_fix\":\"None for the product. Optional: provide the git metadata for the pinned commit so the source revision can be verified.\"}\nEOF\npython3 -I -m json.tool report.json >/dev/null && echo ok && cd && = python3 -I --validate --replay 2>&1 | head -c 300" ], "stuck_step": null, "error_excerpt": null, "what_it_did": "Check Python source for errors with the pyflakes command-line tool (python -m pyflakes), reading source from stdin and from the checkout directory", "suggested_fix": null, "tokens_in": 284721, "tokens_out": 12380, "cost_usd": 0.01384727, "usage_complete": true, "checks": [ { "check": "operation", "status": "PASS", "details": { "working": true, "argv": [ "", "-m", "pyflakes" ], "kind": "cli", "returncode": 1, "stdout": ":1:1: 'os' imported but unused\n:2:5: undefined name 'undefined_name'", "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.", "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=PyCQA--pyflakes-claude-haiku-5-5-1793087582110967415", "evidence_file": "/data/safety/PyCQA--pyflakes-claude-haiku-5-5-1793087582110967415.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": 17, "native_bundle": null, "architecture": null, "backend": "hyperv", "platform_details": { "backend": "hyperv", "os": "linux" }, "platform_conflicts": null, "sandbox_source": null, "source_pin": { "commit": "f0a8b98156ba1645a45bc7d77dcfe79dbbf11f10", "url": "https://github.com/PyCQA/pyflakes" }, "purpose": "initial", "profile": { "model": "claude-haiku-5-5", "reasoning": "low" }, "fault": { "owner": null, "status": "resolved", "reason": null }, "fix_id": null, "verifies_run_id": null, "hosting": null, "operation_scope": "product operation", "tool_calls": 17, "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/PyCQA/pyflakes", "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 (bin/pyflakes, pyflakes/__main__.py, pyflakes/api.py, README.rst, tox.ini): pyflakes is a one-shot linter run per invocation; no cron, scheduler, loop, webhook, --once or --now option exists.", "evidence": "Entry points inspected (bin/pyflakes, pyflakes/__main__.py, pyflakes/api.py, README.rst, tox.ini): pyflakes is a one-shot linter run per invocation; no cron, scheduler, loop, webhook, --once or --now option exists.", "command": "" } ], "claims": [ { "kind": "claim", "claim": "Pyflakes checks Python source files for errors", "source": "A simple program which checks Python source files for errors.", "input": "import os\nx = undefined_name\n (stdin)", "expected": "reports undefined name", "command": " -m pyflakes", "verdict": "yes", "outcome": "Real input produced the expected result: undefined name 'undefined_name'", "evidence": "undefined name 'undefined_name'\n", "returncode": 1, "source_checked": true, "source_file": "README.rst" }, { "kind": "claim", "claim": "Pyflakes detects various errors such as unused imports", "source": "Pyflakes analyzes programs and detects various errors.", "input": "import os\nx = undefined_name\n (stdin)", "expected": "reports unused import os", "command": " -m pyflakes", "verdict": "yes", "outcome": "Real input produced the expected result: 'os' imported but unused", "evidence": "'os' imported but unused\n:2:5: undefined name 'undefined_name'\n", "returncode": 1, "source_checked": true, "source_file": "README.rst" } ], "claims_note": null, "example_checks": [ { "kind": "example", "claim": "Check the checkout with the documented python -m pyflakes . invocation", "source": "README.rst: You can also invoke Pyflakes with python#.# -m pyflakes .", "input": "checkout directory (.)", "command": " -m pyflakes .", "evidence": "", "deferred": false, "expected": "no findings, exit 0", "returncode": 0, "verdict": "yes", "outcome": "command completed successfully with no output" }, { "kind": "example", "claim": "Repository unit tests run via tox command", "source": "tox.ini", "input": "unittest discover pyflakes", "command": " -m unittest discover pyflakes", "evidence": ".ss..s..........s....................s.......................................................................................................................................................sssssssss.........................s.................................................................s.................................s.s..s.......................................................s.........s............................................................................ss..s..........s.\n----------------------------------------------------------------------\nRan 795 tests in 1.079s\n\nOK (skipped=28)", "deferred": false, "expected": "all tests pass", "returncode": 0, "verdict": "yes", "outcome": "command completed successfully" } ], "does_what_it_says": "yes", "maintenance": { "last_commit_at": "2026-10-14T13:12:21Z", "commits_90d": 53, "merged_prs_90d": 49, "open_issues": 44, "open_prs": 16, "reply_share": 0.79, "reply_threads": 24, "median_reply_hours": 0.5, "last_release_at": null, "archived": false, "verdict": "maintained", "note": "actively maintained: last commit 12 days ago; 53 commits and 49 merged PRs in 90 days; 44 open issues, 16 open PRs; 19 of 24 recent threads got a maintainer reply, median first reply 0.5h; no releases" }, "maintenance_verdict": "maintained", "maintenance_note": "actively maintained: last commit 12 days ago; 53 commits and 49 merged PRs in 90 days; 44 open issues, 16 open PRs; 19 of 24 recent threads got a maintainer reply, median first reply 0.5h; no releases", "maintained": "active", "maintained_note": "last commit 12 days ago; 1 open issues, 2 answered or closed", "last_commit_at": "2026-10-14T13:12:24Z", "last_release_at": null, "open_issues": 1, "answered_issues": 2, "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": "2026-10-27T07:56:15.502160+00:00", "tested_commit": "f0a8b98156ba1645a45bc7d77dcfe79dbbf11f10", "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": "PyCQA/pyflakes", "source": "https://github.com/PyCQA/pyflakes", "commit": "f0a8b98156ba1645a45bc7d77dcfe79dbbf11f10", "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": "f0a8b98156ba1645a45bc7d77dcfe79dbbf11f10", "url": "https://github.com/PyCQA/pyflakes" }, "platform_details": { "os": "linux", "backend": "hyperv" }, "platform_conflicts": null, "reasoning": "low", "service_tier": null, "resources": { "cpus": 2, "memory_mib": 4096, "disk_mib": 32768 }, "operation": "Check Python source for errors with the pyflakes command-line tool (python -m pyflakes), reading source from stdin and from the checkout directory", "operation_scope": "product operation", "hosting": null, "kind": "repo", "test_version": "readme-d5b140d3c0f8b95c2dd6fe6fc381a303cacb92679582c22317d8e78b572f0cf2", "evidence_version": null }, "other_model": null, "other_run_id": null, "models_agree": null, "furthest_model": null, "transcript_url": "/transcripts/PyCQA--pyflakes-claude-haiku-5-5-1793087582110967415.txt", "report_url": "/reports/PyCQA--pyflakes-claude-haiku-5-5-1793087582110967415.json" }