gh-116241: Add support of multiple inheritance with typing.NamedTuple#31781

serhiy-storchaka wants to merge 6 commits intopython:mainpython/cpython:mainfrom

serhiy-storchaka:typing-namedtuple-multiple-inheritanceserhiy-storchaka/cpython:typing-namedtuple-multiple-inheritanceCopy head branch name to clipboard