[BugFix] Sync cuda only if initialized #2591

Job	Run time
build-wheel-linux (3.8, cp38-cp38, --extra-index-url https://download.pytorch.org/whl/cpu, "['cpu...	1m 4s
build-wheel-windows (3.8, 3.8)	2m 24s
build-wheel-linux (3.9, cp39-cp39, --extra-index-url https://download.pytorch.org/whl/cpu, "['cpu...	1m 17s
build-wheel-windows (3.9, 3.9)	2m 24s
build-wheel-linux (3.10, cp310-cp310, --extra-index-url https://download.pytorch.org/whl/cpu, "['...	1m 13s
build-wheel-windows (3.10, 3.10.3)	3m 13s
build-wheel-linux (3.11, cp311-cp311, --extra-index-url https://download.pytorch.org/whl/cpu, "['...	1m 10s
build-wheel-windows (3.11, 3.11)	2m 49s
test-wheel (linux, ubuntu-20.04, 3.8)	56s
test-wheel (linux, ubuntu-20.04, 3.9)	1m 6s
test-wheel (linux, ubuntu-20.04, 3.10)	1m 13s
test-wheel (linux, ubuntu-20.04, 3.11)	58s
test-wheel-windows (3.8)	2m 39s
test-wheel-windows (3.9)	2m 52s
test-wheel-windows (3.10)	2m 53s
test-wheel-windows (3.11)	2m 52s
	31m 3s

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