[issue23552] Have timeit warn about runs that are not independent of each other

[Robert Collins]

Changes by Robert Collins <robertc at robertcollins.net>:


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resolution:  -> fixed
stage: patch review -> resolved
status: open -> closed
versions: +Python 3.6 -Python 3.5

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue23552>
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