[issue18618] Need an atexit.register equivalent that also works in subinterps

[Irit Katriel]

Change by Irit Katriel <iritkatriel at gmail.com>:


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resolution:  -> duplicate
stage:  -> resolved
status: open -> closed
superseder:  -> atexit callbacks should be run at subinterpreter shutdown

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue18618>
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