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Avoid pickling lambda in dask LabelBinarizer pytests #7898

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Merged
rapids-bot merged 3 commits into from
Mar 16, 2026
Merged

Avoid pickling lambda in dask LabelBinarizer pytests #7898

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cb717f2
fix-lambda-LabelBinarizer
aamijar Mar 16, 2026
de54a67
Merge branch 'release/26.04' into fix-lambda-LabelBinarizer
aamijar Mar 16, 2026
b40e194
Merge branch 'release/26.04' into fix-lambda-LabelBinarizer
jcrist Mar 16, 2026
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8 changes: 6 additions & 2 deletions python/cuml/tests/dask/test_dask_label_binarizer.py
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
# SPDX-FileCopyrightText: Copyright (c) 2020-2025, NVIDIA CORPORATION.
# SPDX-FileCopyrightText: Copyright (c) 2020-2026, NVIDIA CORPORATION.
# SPDX-License-Identifier: Apache-2.0

import cupy as cp
Expand All @@ -10,6 +10,10 @@
from cuml.testing.utils import array_equal


def _get_block(x):
return x.get()


@pytest.mark.parametrize(
"labels",
[
Expand Down Expand Up @@ -40,7 +44,7 @@ def test_basic_functions(labels, multipart, client):

xformed = binarizer.transform(df2)

xformed = xformed.map_blocks(lambda x: x.get(), dtype=cp.float32)
xformed = xformed.map_blocks(_get_block, dtype=cp.float32)
xformed.compute_chunk_sizes()

assert xformed.compute().shape[1] == binarizer.classes_.shape[0]
Expand Down
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