Hi, On 8 April 2015 at 13:35, Yuriy Taraday <yorik.sar at gmail.com> wrote: > That would be creating new references to self in __del__ which is bad (at > least docs say so). And after that these references will be gone once again > and __del__ will be called again. No, in PyPy it is fine, but indeed it is a problem in CPython... A bientôt, Armin.