[CI] Failing `integration/test_rf_classifier.py::test_oob_score` in `wheel-tests-cuml-nightly-dependencies-versions`

[divyegala]

Summary

Failing test/component: ntegration/test_rf_classifier.py::test_oob_score

Failure observed in:

• https://github.com/rapidsai/cuml/actions/runs/30531367400/job/90834301089

Environment

• OS: ubuntu26.04
• Python version: 3.14
• CUDA version: 13.3.0
• GPU: rtxpro6000
• Dependencies: latest driver, nightly deps

Test Details

• Error message:

FAILED integration/test_rf_classifier.py::test_oob_score - TypeError: __cinit__() takes exactly 4 positional arguments (3 given)
FAILED integration/test_rf_regressor.py::test_oob_score - TypeError: __cinit__() takes exactly 4 positional arguments (3 given)

Root Cause Analysis

[chyunsu3]

Probably the same issue as dmlc/treelite#674. The fix is available at dmlc/treelite#675

[csadorf]

Still failing in today’s nightly-dependencies run: https://github.com/NVIDIA/cuml/actions/runs/32109006318/job/95624282214

The same TypeError: __cinit__() takes exactly 4 positional arguments (3 given) now affects 4 RandomForest tests:

• test_onnx_regressor[RandomForestRegressor]
• test_oob_score for classifier and regressor
• test_onnx_classifier[RandomForestClassifier]

[csadorf]

@chyunsu3 Would you be able to take this on?

[chyunsu3]

@csadorf The fix requires a new Treelite release. I will try to get a new release of Treelite out this week.

[csadorf]

Thank you!

[chyunsu3]

To be fixed in #8522