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test_import: test_concurrency() leaks references and memory on Windows #107086
Description
vstinner@WIN C:\victor\python\main>python -m test test_import -R 3:3 -v
(...)
test_import leaked [23, 23, 34] references, sum=80
test_import leaked [23, 21, 34] memory blocks, sum=78
test_import failed (reference leak) in 40.3 sec
test_concurrency() alone reproduces the issue:
vstinner@WIN C:\victor\python\main>python -m test test_import -R 3:3 -v -m test_concurrency
(...)
test_import leaked [40, 40, 40] references, sum=120
test_import leaked [40, 40, 40] memory blocks, sum=120
By the way, test_typing also leaks:
vstinner@WIN C:\victor\python\main>python -m test test_typing -R 3:3
(...)
test_typing leaked [1, 1, 1] memory blocks, sum=3
Activity
vstinner commentedon Jul 23, 2023
Note: On an old buildbot failure (19 days ago), I also saw a test_grammar leak, but I cannot reproduce it.
Build: https://buildbot.python.org/all/#/builders/920/builds/447
vstinner commentedon Jul 23, 2023
Duplicate of #106176
I also found commit 3325f05 with a git bisect.