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Pyarrow 20.0.0 breaks parquet tests #1830

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siemdejong opened this issue Apr 28, 2025 · 1 comment · Fixed by #1831
Closed

Pyarrow 20.0.0 breaks parquet tests #1830

siemdejong opened this issue Apr 28, 2025 · 1 comment · Fixed by #1831

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@siemdejong
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siemdejong commented Apr 28, 2025

          Why do the tests fail? These tests sporadically fail locally, but not always. And I get these errors also sporadically on master.

Originally posted by @siemdejong in #1829 (comment)

Tests related to parquet fail, e.g.
https://github.com/fsspec/filesystem_spec/actions/runs/14701863057/job/41252773151?pr=1829

>               assert bad_key not in data
E               assert (4032, 4040) not in {(0, 64): b'PAR1\x15\x04\x15P\x15<L\x15\n\x15\x00\x12\x00\x00(\x00\x00\r\x01\x00\x02\r\x08\x00\x04\r\x08<\x01\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x00\x00\x00\x00\x15\x00\x15.\x152,\x15P\x15\x10\x15\x06\x15\x06\x1c', (64, 128): b'\x18\x08\x04\x00\x00\x00\x00\x00\x00\x00\x18\x08\x00\x00\x00\x00\x00\x00\x00\x00\x16\x00(\x08\x04\x00\x00\x00\x00\x00\x00\x00\x18\x08\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x17X\x02\x00\x00\x00P\x01\x03\x0b\x88FD#\xa2\x11\xd1\x88h', (128, 192): b'D4"\x1a\x11\x8d\x15\x04\x15\x80\x05\x15\xd6\x02L\x15P\x15\x00\x12\x00\x00\xc0\x02\x00\x00\r\x01\x00\x01\r\x08\x00\x02\r\x08\x00\x03\r\x08\x00\x04\r\x08\x00\x05\r\x08\x00\x06\r\x08\x00\x07\r\x08\x00\x08\r\x08\x00\t\r\x08', (192, 256): b'\x00\n\r\x08\x00\x0b\r\x08\x00\x0c\r\x08\x00\r\r\x08\x00\x0e\r\x08\x00\x0f\r\x08\x00\x10\r\x08\x00\x11\r\x08\x00\x12\r\x08\x00\x13\r\x08\x00\x14\r\x08\x00\x15\r\x08\x00\x16\r\x08\x00\x17\r\x08\x00\x18\r\x08\x00\x19\r\x08', ...}

Can reproduce locally with pyarrow version 20.0.0. Downgrading pyarrow to 19.0.1 is a workaround to this issue.

@martindurant
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Thanks for following up. We can pin the tests for the moment, I suppose; I'm not sure when I'll have the time to find out what pyarrow is doing this time.

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