Serhiy Storchaka added the comment: Since WeakSet never was pickleable, the difference perhaps in the use of WeakSet in asyncio. BaseEventLoop contains a WeakSet attribute since 3.6, this makes it non-pickleable.
I'm not sure this is a cause of the failure. ---------- components: +Library (Lib) _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue29517> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com