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PyArrow 14 and 15 are incompatible with Pandas 3
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Unit Test ResultsSee test report for an extended history of previous test failures. This is useful for diagnosing flaky tests. 0 tests ±0 0 ✅ ±0 0s ⏱️ ±0s Results for commit 3f597fc. ± Comparison against base commit ff0ca1a. ♻️ This comment has been updated with latest results. |
crusaderky
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Jan 29, 2026
| - dask-ml=1.4.0 | ||
| - fastavro=1.4.7 | ||
| - h5py=3.4.0 | ||
| - h5py=3.7.0 |
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These very old versions of h5py, snappy and tiledb had resolution conflicts on zlib and libopenssl
This was referenced Jan 29, 2026
crusaderky
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Jan 29, 2026
| - matplotlib=3.5.0 | ||
| - mimesis=5.3.0 | ||
| - mmh3=3.0.0 | ||
| - numba=0.59.1 |
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This matches the de facto pin that was in place before.
Odd that it wasn't pinned and doesn't appear in the documentation, as there are explicit tokenizers for it.
TomAugspurger
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Jan 29, 2026
jrbourbeau
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Thanks @crusaderky -- LGTM if CI is happy
dcherian
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Jan 29, 2026
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weiji14
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Mar 16, 2026
Xref dask/dask#12258. Remove this workaround after pyarrow is a necessary dependency.
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Mar 17, 2026
* updated v2.0.2 * MNT: Re-rendered with conda-smithy 3.56.3 and conda-forge-pinning 2026.03.16.15.32.2 * Put quotes around context.python_min, set test.python_version properly * Do manual import checks with dask<2026.1.2 to avoid pyarrow requirement Xref dask/dask#12258. Remove this workaround after pyarrow is a necessary dependency. * Pin to holoviews>=1.13.0 for python 3.11 compatibility Xref conda-forge/holoviews-feedstock#120 --------- Co-authored-by: Wei Ji <23487320+weiji14@users.noreply.github.com>
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PyArrow 14 and 15 are incompatible with Pandas 3 when it comes to distributed shuffle.
I must confess I was lazy, did not investigate the actual issue, and instead simply bumped up the minimum version. This also gave the opportunity to clean up a lot of special cases in the codebase.
An alternative option was to pin pandas<3 in the 3.11 environment and add a runtime check for the specific combination of the two dependencies. I discarded it for the sake of simplicity.
This change is respectful of SPEC 0.