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Support annotated Polars lazy frames - #5276

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T0rvadaL wants to merge 2 commits into
facebook:mainfrom
T0rvadaL:support-annotated-polars-lazyframes
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T0rvadaL wants to merge 2 commits into
facebook:mainfrom
T0rvadaL:support-annotated-polars-lazyframes

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@T0rvadaL

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Summary

Fixes #5271

Support annotated Polars lazy frames

  • I am a human, and I fully understand the code I am submitting.

Test Plan

Updated the test_dataframe_schema_annotation test to include lazy frames.

@meta-cla meta-cla Bot added the cla signed label Oct 18, 2026
@T0rvadaL T0rvadaL changed the title Add failing test for schema annotations on Polars lazy frames Support annotated Polars lazy frames Oct 18, 2026
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meta-codesync Bot commented Oct 18, 2026

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This pull request has been imported. If you are a Meta employee, you can view this in D125981514. (Because this pull request was imported automatically, there will not be any future comments.)

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According to mypy_primer, this change doesn't affect type check results on a corpus of open source code. ✅

@stroxler

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Thanks!

@stroxler stroxler left a comment

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Review automatically exported from Phabricator review in Meta.

@meta-codesync meta-codesync Bot closed this in 729d177 Oct 19, 2026
@meta-codesync meta-codesync Bot added the Merged label Oct 19, 2026
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meta-codesync Bot commented Oct 19, 2026

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This pull request has been merged in 729d177.

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Support annotated Polars lazy frames

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