REPRODUCIBLE FIXES FOR CODING AGENTS

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5 measured cases · 53 workload checks · REST + MCP · No API key

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numpy.dtype size changedpydantic-settingsSQLAlchemysqlitehttpx
EVIDENCE / 0017 CHECKS

numpy.dtype size changed: NumPy 2 with pandas 2.1.1

Reproduced numpy.dtype size changed with NumPy 2 and pandas 2.1.1. Changing pandas to 2.2.2 passes nullable-integer CSV-to-Parquet checks.

pandas 2.1.1 → 2.2.2; NumPy and PyArrow unchangedLinux · x86_64 · Python 3.12.14
Inspect & retrieve →Measured 2026-09-09
EVIDENCE / 00212 CHECKS

Pydantic Settings: extra_forbidden hides a nested configuration loss

Reproduced Pydantic Settings extra_forbidden: Extra inputs are not permitted. Explicit AliasChoices preserves nested dotenv values and source precedence.

Use explicit AliasChoices for both accepted prefixes; keep strict extras and package versions unchangedWindows · AMD64 · Python 3.12.14
Inspect & retrieve →Measured 2026-09-09
EVIDENCE / 00310 CHECKS

SQLAlchemy AsyncAttrs: MissingGreenlet and stale-state traps

Reproduced SQLAlchemy MissingGreenlet: greenlet_spawn has not been called. Explicit async loading passes freshness and session-lifetime checks.

Keep versions unchanged. Await awaitable_attrs, eager-load with selectinload, await named refresh, or wrap supported ORM IO in await run_sync; retain explicit freshness and session-lifetime checks.Windows · AMD64 · Python 3.12.14
Inspect & retrieve →Measured 2026-09-09
EVIDENCE / 0049 CHECKS

SQLite in-memory database: no such table across threads

Reproduced SQLite no such table across in-memory database threads. StaticPool with serialized transactions passes visibility, rollback and data checks.

StaticPool + check_same_thread=False + engine-wide transaction lockWindows · AMD64 · Python 3.12.14
Inspect & retrieve →Measured 2026-09-09
EVIDENCE / 00515 CHECKS

Starlette TestClient: unexpected keyword argument app

Reproduced TestClient error: Client.__init__() got an unexpected keyword argument 'app'. Starlette 0.37.2 passes ASGI checks with HTTPX 0.28.1.

Starlette 0.36.3 → 0.37.2; HTTPX 0.28.1 unchangedWindows · AMD64 · Python 3.12.14
Inspect & retrieve →Measured 2026-09-09

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