Antoine Pitrou antoine at python.org
Wed Oct 21 12:00:52 EDT 2015

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Le 21/10/2015 17:32, Raymond Hettinger a écrit :
> 
> Thanks for hunting this down.  I had seen the automated reference leak posts
> but didn't suspect that a pure python class would have caused the leak.  

Yes, it's a bit baffling at first.

> I'm re-opening https://mail.python.org/pipermail/python-dev/2015-October/141993.html 
> and will take a look at it this weekend.  If I don't see an obvious fix, I'll revert Joe's patch
> until a correct patch is supplied and reviewed.

Well, the simple workaround is to remove the __slots__ field.  I don't
think it matters here, especially for a singleton.

Also, Benjamin's suggestion to make all heap type instances GC-enabled
sounds reasonable to me.

Regards

Antoine.

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