change helper to constructor #4550

Job	Run time
checks / other-checks	38s
devcontainer / build (amd64, 12.2, conda)	32m 41s
checks / check-style	1m 43s
devcontainer / build (amd64, 12.2, pip)	30m 14s
wheel-build-pylibraft / compute-matrix	3s
conda-cpp-build / compute-matrix	2s
conda-cpp-build / 11.8.0, 3.10, amd64, ubuntu22.04	30m 56s
conda-cpp-build / 12.2.2, 3.10, amd64, ubuntu22.04	27m 4s
conda-cpp-build / 11.8.0, 3.10, arm64, ubuntu22.04	31m 1s
conda-cpp-build / 12.2.2, 3.10, arm64, ubuntu22.04	28m 29s
wheel-build-pylibraft / 11.8.0, 3.9, amd64, rockylinux8	14m 14s
wheel-build-pylibraft / 12.2.2, 3.9, amd64, rockylinux8	15m 22s
wheel-build-pylibraft / 11.8.0, 3.10, amd64, rockylinux8	15m 20s
wheel-build-pylibraft / 12.2.2, 3.10, amd64, rockylinux8	15m 23s
wheel-build-pylibraft / 11.8.0, 3.11, amd64, rockylinux8	15m 25s
wheel-build-pylibraft / 12.2.2, 3.11, amd64, rockylinux8	15m 22s
wheel-build-pylibraft / 11.8.0, 3.9, arm64, rockylinux8	15m 24s
wheel-build-pylibraft / 12.2.2, 3.9, arm64, rockylinux8	14m 37s
wheel-build-pylibraft / 11.8.0, 3.10, arm64, rockylinux8	15m 29s
wheel-build-pylibraft / 12.2.2, 3.10, arm64, rockylinux8	15m 29s
wheel-build-pylibraft / 11.8.0, 3.11, arm64, rockylinux8	15m 34s
wheel-build-pylibraft / 12.2.2, 3.11, arm64, rockylinux8	15m 27s
wheel-tests-pylibraft	0s
wheel-build-raft-dask	0s
wheel-tests-raft-dask	0s
conda-python-build	1s
conda-cpp-checks	1s
conda-cpp-tests	1s
docs-build	1s
conda-python-tests	1s
pr-builder	1s
	6h 6m 3s

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