test: annotate the vector index option suite - #5279
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yanghua merged 1 commit intoAug 25, 2026
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uv run --extra dev --with 'mypy>=2.3' --with pandas-stubs --with pyarrow-stubs \
--with 'pylance==10.0.0' --with 'ray[data]==2.57.0' --with 'pyarrow==25.0.1' \
-- mypy --strict --follow-imports=silent \
--untyped-calls-exclude=ray --untyped-calls-exclude=lance \
tests/test_vector_index_options.py
# Success: no issues found in 1 source file |
jonasdedden
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Adds the [tool.mypy] configuration, the stub packages needed to type the third-party surface, a `typecheck` CI job and a `make typecheck` target. Notes for review: - `python_version` is deliberately unset so it follows the interpreter mypy runs under. Pinning it to 3.10 makes mypy reject numpy 2.5's bundled stubs (`type` statements need >= 3.12); under a real 3.10 install numpy resolves to 2.2 and the run is clean. Verified clean on 3.10, 3.11, 3.12 and 3.13. - Rather than an error-code ignore list that silently decays, the four overrides are scoped to a named upstream cause. `untyped_calls_exclude` and `implicit_reexport` exist because ray/lance ship py.typed but still have unannotated public functions and undeclared re-exports. - uv.lock is refreshed for pyarrow-stubs (20260625 -> 20260819), pylance (10.0.0b7 -> 10.0.0) and ray (2.53.0 -> 2.55.0). The annotations merged in lance-format#5270-lance-format#5279 were written against these; on the previously locked versions mypy reports 13 errors that are purely upstream typing gaps. ray is held at 2.55.0 on purpose: 2.56.0 switched `Dataset.to_pandas()` to Arrow-backed dtypes, which fails two assertions in tests/test_basic_read_write.py and deserves its own PR.
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Fixing parts of #65.