New submission from Tim Golden <m...@timgolden.me.uk>:

test_mmap currently uses the test.support.TESTFN functionality which creates a 
temporary file local to the test directory named around the pid. 

This can give rise to race conditions where tests are competing with each other 
to delete and recreate the file.

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assignee: tim.golden
messages: 322444
nosy: tim.golden
priority: normal
severity: normal
status: open
title: Convert test_mmap to use tempfile
versions: Python 3.8

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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue34240>
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