[BugFix] Fix hold_out_net #8338

Job	Run time
build-wheel-linux (3.8, cp38-cp38, --index-url https://download.pytorch.org/whl/cpu, "['cpu', '11...	1m 29s
build-wheel-mac (3.8, 3.8)	1m 25s
build-wheel-linux (3.9, cp39-cp39, --index-url https://download.pytorch.org/whl/cpu, "['cpu', '11...	1m 37s
build-wheel-windows (3.8, 3.8)	1m 53s
build-wheel-mac (3.9, 3.9)	1m 16s
build-wheel-linux (3.10, cp310-cp310, --index-url https://download.pytorch.org/whl/cpu, "['cpu', ...	1m 34s
build-wheel-windows (3.9, 3.9)	2m 55s
build-wheel-mac (3.10, 3.10.3)	1m 25s
build-wheel-linux (3.11, cp311-cp311, --index-url https://download.pytorch.org/whl/cpu, "['cpu', ...	1m 32s
build-wheel-windows (3.10, 3.10.3)	3m 58s
build-wheel-mac (3.11, 3.11)	1m 51s
build-wheel-windows (3.11, 3.11)	3m 57s
test-wheel (linux, ubuntu-20.04, 3.8)	2m 15s
test-wheel (linux, ubuntu-20.04, 3.9)	2m 28s
test-wheel (linux, ubuntu-20.04, 3.10)	2m 13s
test-wheel (linux, ubuntu-20.04, 3.11)	2m 22s
test-wheel (mac, macos-latest, 3.8)	3m 29s
test-wheel (mac, macos-latest, 3.9)	3m 7s
test-wheel (mac, macos-latest, 3.10)	2m 1s
test-wheel (mac, macos-latest, 3.11)	2m 17s
test-wheel-windows (3.8)	4m 54s
test-wheel-windows (3.9)	5m 43s
test-wheel-windows (3.10)	4m 54s
test-wheel-windows (3.11)	4m 54s
	1h 5m 29s

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