pt: expand systems before training #5963

Job	Run time
determine-arm64-runner	1s
Build source distribution	14s
Build wheels for cp311-manylinux_x86_64	5m 25s
Build wheels for cp311-manylinux_x86_64	5m 37s
Build wheels for cp311-macosx_x86_64	6m 43s
Build wheels for cp311-macosx_arm64	4m 39s
Build wheels for cp311-win_amd64	5m 28s
Build wheels for cp310-manylinux_aarch64	5m 29s
build_pypi_index	5s
build_docker (12)	3m 46s
build_docker (_cu11, 11)	4m 2s
upload_pypi	0s
deploy_pypi_index	0s
Pass testing build wheels	3s
	41m 32s

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