[issue17852] Built-in module _io can lose data from buffered files in reference cycles

[ppperry]

Change by ppperry <mapreader at olum.org>:


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title: Built-in module _io can lose data from buffered files at exit -> Built-in module _io can lose data from buffered files in reference cycles

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue17852>
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