Fix pytest on macOS #145

Job	Run time
linux (x86_64)	1m 0s
linux (i686)	1m 9s
macos	1m 4s
musllinux (x86_64-unknown-linux-musl)	1m 1s
linux-cross (aarch64)	3m 39s
musllinux (i686-unknown-linux-musl)	56s
linux-cross (armv7)	3m 37s
musllinux-cross (aarch64-unknown-linux-musl, aarch64)	1m 44s
windows (x64)	1m 21s
linux-cross (s390x)	3m 16s
musllinux-cross (armv7-unknown-linux-musleabihf, armv7)	1m 44s
windows (x86)	1m 30s
linux-cross (ppc64le)	3m 53s
linux-cross (ppc64)	1m 44s
Release	0s
	27m 38s

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