Build

address flake8 format check #101

Job	Run time
Build source distribution	8s
Lint with flake8 and check black	7s
Build wheels on ubuntu-latest x86_64	15m 46s
Build wheels on ubuntu-latest i686	17m 9s
Build wheels on ubuntu-latest aarch64	2h 15m 7s
Build wheels on ubuntu-latest ppc64le	2h 9m 45s
Build wheels on ubuntu-latest s390x	2h 6m 2s
Build wheels on macOS-latest x86_64	9m 6s
Build wheels on macOS-latest arm64	7m 4s
Build wheels on windows-2019 AMD64	8m 3s
Build wheels on windows-2019 x86	8m 36s
	7h 36m 53s

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