fix #68

Job	Run time
Interpreter (Debug)	6m 58s
Free-Threaded (Debug)	1h 17m 47s
i686-pc-windows-msvc/msvc (Debug)	17m 1s
i686-pc-windows-msvc/msvc (Release)	20m 58s
x86_64-pc-windows-msvc/msvc (Debug)	18m 0s
x86_64-pc-windows-msvc/msvc (Release)	21m 49s
aarch64-pc-windows-msvc/msvc (Debug)	4m 39s
aarch64-pc-windows-msvc/msvc (Release)	5m 52s
x86_64-apple-darwin/clang (Debug)	15m 48s
x86_64-apple-darwin/clang (Release)	17m 29s
aarch64-apple-darwin/clang (Debug)	8m 34s
aarch64-apple-darwin/clang (Release)	12m 21s
x86_64-unknown-linux-gnu/gcc (Debug)	7m 39s
x86_64-unknown-linux-gnu/gcc (Release)	17m 29s
x86_64-unknown-linux-gnu/clang (Debug)	7m 58s
x86_64-unknown-linux-gnu/clang (Release)	13m 43s
aarch64-unknown-linux-gnu/gcc (Debug)	1h 14m 47s
aarch64-unknown-linux-gnu/gcc (Release)	36m 39s
aarch64-unknown-linux-gnu/clang (Debug)	1h 6m 35s
aarch64-unknown-linux-gnu/clang (Release)	37m 33s
	8h 9m 39s

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