Berker Peksag added the comment:
Thanks for the report, Wolfgang. The main cause of the issue will be resolved
when we merge PR 9707. I'm closing this as a duplicate of issue 34900 since the
latter has already an open PR.
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nosy: +berker.peksag
resolution: -> duplicate
stage: ->
Changes by Serhiy Storchaka :
--
nosy: +ezio.melotti, michael.foord, pitrou, rbcollins
type: crash -> behavior
versions: +Python 3.6, Python 3.7
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Python tracker
New submission from Wolfgang Rohdewald:
the main code is appended in main.py
if a test uses with self.subTest(), subTest() fails right in its first
statement "if not self._outcome ..." because _outcome is None.
In main.py, the commented runner.run(suite) would work correctly.
If this is not