gh-149083: Change several other docs examples to use sentinel()#149213
Open
sobolevn wants to merge 2 commits intopython:mainfrom
Open
gh-149083: Change several other docs examples to use sentinel()#149213sobolevn wants to merge 2 commits intopython:mainfrom
sentinel()#149213sobolevn wants to merge 2 commits intopython:mainfrom
