chore: black formatting #154

Job	Run time
build_asan	4m 51s
build (ubuntu-latest, 3.10.11, false)	34s
build (ubuntu-latest, 3.10.11, true)	27s
build (ubuntu-latest, 3.8.17, false)	29s
build (ubuntu-latest, 3.8.17, true)	12s
build (ubuntu-20.04, 3.6.8, false)	16s
build (ubuntu-20.04, 3.6.8, true)	29s
build (ubuntu-latest, pypy-3.7, false)	39s
build (ubuntu-latest, pypy-3.7, true)	27s
build (macos-latest, 3.10.11, false)	57s
build (macos-latest, 3.8.17, false)	19s
build (macos-latest, 3.6.8, false)	37s
build (macos-latest, pypy-3.7, false)	26s
build (windows-latest, 3.10.11, false)	1m 48s
build (windows-latest, 3.8.10, false)	1m 29s
build (windows-latest, 3.6.8, false)	1m 50s
build (windows-latest, pypy-3.7, false)	1m 53s
	17m 43s

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