Guido van Rossum <gu...@python.org> added the comment:
There is actually a difference between Any and Optional[Any]. Try the following using e.g. mypy: def f(a: Optional[Any]): a+1 def g(a: Any): a+1 You'll get an error in f but not in g. So this behavior is not a bug. ---------- resolution: -> not a bug stage: -> resolved status: open -> closed _______________________________________ Python tracker <rep...@bugs.python.org> <https://bugs.python.org/issue42288> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com