Antoine Pitrou added the comment: The simple answer here is _run_finalizers() is not thread-safe, but finalizers can be registered or cancelled from any thread.
I could not write a simple synthetic script to reproduce the issue, but it should nevertheless be fixable. ---------- nosy: +pitrou stage: -> needs patch versions: +Python 2.7, Python 3.5, Python 3.6, Python 3.7 -Python 3.4 _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue24484> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com