Antoine Pitrou <pit...@free.fr> added the comment:
In addition to _NOT_FOUND and _EXCEPTION_RAISED, you could have an additional sentinel value _CONCURRENTLY_COMPUTING. Then you don't need to maintain a separate self.updater mapping. ---------- nosy: +pitrou _______________________________________ Python tracker <rep...@bugs.python.org> <https://bugs.python.org/issue43468> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
