Free-threaded Python (Interview)

2317.895 - 2344.015 Łukasz Langa

Some of them are pretty funny, like figuring out that for this entire time, the thread handle in Python was not thread safe itself. Or the threading lock was not thread safe itself. So once you actually did the operations of locking, yes, those were thread safe. But the Python object that you used was not because it didn't have to be. And now all of those things have to be actually fixed.