tests

Fix colorspace signature #1167

Job	Run time
package-source	25s
style	24s
py-3.8 lib-6.1 windows-latest	3m 15s
py-3.8 lib-6.1 ubuntu-latest	5m 21s
py-3.8 lib-6.0 windows-latest	3m 33s
package-wheel (macos-latest, arm64)	16m 12s
py-3.8 lib-6.0 ubuntu-latest	4m 46s
py-3.8 lib-5.1 windows-latest	2m 59s
package-wheel (macos-latest, x86_64)	45m 19s
py-3.8 lib-5.1 ubuntu-latest	5m 15s
py-3.8 lib-5.0 windows-latest	3m 34s
package-wheel (ubuntu-latest, aarch64)	3h 25m 44s
py-3.8 lib-5.0 ubuntu-latest	4m 45s
package-wheel (ubuntu-latest, i686)	22m 40s
py-pypy3.9 lib-6.1 ubuntu-latest	4m 29s
package-wheel (ubuntu-latest, x86_64)	21m 44s
py-3.8 lib-6.1 macos-latest	16m 22s
package-wheel (windows-latest, AMD64)	16m 9s
publish	46s
	6h 23m 42s

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