Fix test warnings (#235) #309

Job	Run time
build (ubuntu-latest, linux, quay.io/pypa/manylinux2014_x86_64, x86_64, 3.9, 2.0.*)	2m 48s
build (ubuntu-latest, linux, quay.io/pypa/manylinux2014_x86_64, x86_64, 3.10, 2.0.*)	2m 51s
build (ubuntu-latest, linux, quay.io/pypa/manylinux2014_x86_64, x86_64, 3.11, 2.0.*)	2m 50s
build (ubuntu-latest, linux, quay.io/pypa/manylinux2014_x86_64, x86_64, 3.12, 2.0.*)	2m 50s
build (ubuntu-latest, linux, quay.io/pypa/manylinux2014_aarch64, aarch64, 3.9, 2.0.*)	2m 50s
build (ubuntu-latest, linux, quay.io/pypa/manylinux2014_aarch64, aarch64, 3.10, 2.0.*)	2m 49s
build (ubuntu-latest, linux, quay.io/pypa/manylinux2014_aarch64, aarch64, 3.11, 2.0.*)	2m 49s
build (ubuntu-latest, linux, quay.io/pypa/manylinux2014_aarch64, aarch64, 3.12, 2.0.*)	2m 51s
build (macos-11, mac, 10.9, x86_64, 3.9, 2.0.*)	1s
build (macos-11, mac, 10.9, x86_64, 3.10, 2.0.*)	1s
build (macos-11, mac, 10.9, x86_64, 3.11, 2.0.*)	1s
build (macos-11, mac, 10.9, x86_64, 3.12, 2.0.*)	1s
build (macos-14, mac, 11.0, arm64, 3.9, 2.0.*)	2m 9s
build (macos-14, mac, 11.0, arm64, 3.10, 2.0.*)	2m 14s
build (macos-14, mac, 11.0, arm64, 3.11, 2.0.*)	2m 11s
build (macos-14, mac, 11.0, arm64, 3.12, 2.0.*)	2m 6s
build (windows-2019, windows, x86_64, 3.9, 2.0.*)	2m 36s
build (windows-2019, windows, x86_64, 3.10, 2.0.*)	2m 37s
build (windows-2019, windows, x86_64, 3.11, 2.0.*)	2m 36s
build (windows-2019, windows, x86_64, 3.12, 2.0.*)	2m 36s
test	1s
docs	1s
publish-wheels	1s
publish-docs	1s
	41m 51s

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