From: Florian Gross <flgr@...>
Date: 2004-08-24T06:50:45+09:00
Subject: Re: Circular References: How to prove that they are garbage collected

Moin!

The problems is with the finalizer. It holds a reference to the object 
AFAIK.

Maybe you could just capture the .object_id and use ObjectSpace._id2ref 
to check whether the Objects still exist after you ran the GC?

Oh, or you could use a WeakRef.

Regards,
Florian Gross