black: required=black>=19.10b0; sys_platform!='emscripten'; extra=black>=19.10b0; sys_platform!='emscripten'; all=True
isort: required=isort>=4.3.21,<9; sys_platform!='emscripten'; extra=isort>=4.3.21,<9; sys_platform!='emscripten'; all=True