[issue39511] [subinterpreters] Per-interpreter singletons (None, True, False, etc.)

[Eric Snow]

Change by Eric Snow <ericsnowcurrently at gmail.com>:


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nosy: +eric.snow
nosy_count: 2.0 -> 3.0
pull_requests: +23645
pull_request: https://github.com/python/cpython/pull/24828

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue39511>
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