warnings

lesson

python pytest pydantic warnings deprecation performance

305 tok

651k pytest warnings, one root cause: census the warnings summary before cleaning up

A test suite carried 651,949 warnings per run. Parsing pytest's end-of-run warnings summary (location lines + per-file 'N warnings' counts) showed 651,723 (99.97%) came from a single family: pydantic 2.11's PydanticDeprecatedSince211: Accessing the 'model_fields' attribute on the instance is…

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