Message 407951 - Python tracker

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Content 
In Python 3.9, the code works because the _Py_IDENTIFIER() API shares Python Unicode objects between all interpreters.

_PyUnicode_FromId() was modified to be per-interpreter in bpo-39465 by:

New changeset ba3d67c2fb04a7842741b1b6da5d67f22c579f33 by Victor Stinner in branch 'master':
bpo-39465: Fix _PyUnicode_FromId() for subinterpreters (GH-20058)
https://github.com/python/cpython/commit/ba3d67c2fb04a7842741b1b6da5d67f22c579f33