Hotfix add htmlcov to flat layout package finder.default exclude#3836

abravalheri merged 5 commits intopypa:mainpypa/setuptools:mainfrom

yukihiko-shinoda:hotfix-add-htmlcov-to-FlatLayoutPackageFinder.DEFAULT_EXCLUDEyukihiko-shinoda/setuptools:hotfix-add-htmlcov-to-FlatLayoutPackageFinder.DEFAULT_EXCLUDECopy head branch name to clipboard