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Author terry.reedy
Recipients, terry.reedy, xtreak
Date 2018-10-05.19:13:59
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Unless this is seen as a possible security issue, this will not be fixed in 3.5.  If possible test in later versions.

By 'was running for a long time without issue', do you mean 'ran many times before this run'?  (As opposed to 'a long time in this run'?)

Did you try deleting Lib/__cache__/_collections_abc.cpython-35.pyc (or whatever the name is on ubuntu)?

If this fixes the issue, is corruption and failure in any sense deterministic?
Date User Action Args
2018-10-05 19:13:59terry.reedysetrecipients: + terry.reedy, xtreak,
2018-10-05 19:13:59terry.reedysetmessageid: <>
2018-10-05 19:13:59terry.reedylinkissue34846 messages
2018-10-05 19:13:59terry.reedycreate