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

[STINNER Victor]

Change by STINNER Victor <vstinner at python.org>:


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

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