Author pablogsal
Recipients Mark.Shannon, christian.heimes, jdemeyer, lukasz.langa, pablogsal, petr.viktorin, pitrou, vstinner
Date 2019-09-02.16:23:15
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Message-id <1567441395.77.0.20452285833.issue38006@roundup.psfhosted.org>
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For the weakref to be handled correctly the ctypedescr needs to be identified correctly as part of the isolated cycle. If is not in the isolated cycle something may be missing tp_traverse or the GC flags. 

Can you check if the ctypedescr is part of GC.objects()?
History
Date User Action Args
2019-09-02 16:23:15pablogsalsetrecipients: + pablogsal, pitrou, vstinner, christian.heimes, petr.viktorin, lukasz.langa, Mark.Shannon, jdemeyer
2019-09-02 16:23:15pablogsalsetmessageid: <1567441395.77.0.20452285833.issue38006@roundup.psfhosted.org>
2019-09-02 16:23:15pablogsallinkissue38006 messages
2019-09-02 16:23:15pablogsalcreate