[issue45687] Infinite recursion in Pickler.persistent_id

Change by Serhiy Storchaka : -- components: +Interpreter Core nosy: +serhiy.storchaka versions: +Python 3.11 -Python 3.7, Python 3.8 ___ Python tracker ___

[issue45687] Infinite recursion in Pickler.persistent_id

New submission from Michał Bartoszkiewicz : The following code, which seems reasonable: import io import pickle class Pickler(pickle.Pickler): def persistent_id(self, obj): return super().persistent_id(obj) Pickler(io.BytesIO()).dump(42) crashes with: RecursionError: maximum recursion de