[New-bugs-announce] [issue25786] contextlib.ExitStack introduces a cycle in exception __context__

[Yury Selivanov]

New submission from Yury Selivanov:

See http://bugs.python.org/issue25779 and http://bugs.python.org/issue25782 for details.

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components: Library (Lib)
messages: 255762
nosy: gvanrossum, ncoghlan, serhiy.storchaka, yselivanov
priority: release blocker
severity: normal
status: open
title: contextlib.ExitStack introduces a cycle in exception __context__
versions: Python 3.5, Python 3.6

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue25786>
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