[issue39003] test_unparse leaked [35, 5, 6] references: fail randomly, pass when run again

[Pablo Galindo Salgado]

Change by Pablo Galindo Salgado <pablogsal at gmail.com>:


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keywords: +patch
pull_requests: +17014
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/17537

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue39003>
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