[3.13] gh-113433: Automatically Clean Up Subinterpreters in Py_Finalize() (gh-121060) #121067
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This change makes things a little less painful for some users. It also fixes a failing assert (gh-120765), by making sure all subinterpreters are destroyed before the main interpreter. As part of that, we make sure Py_Finalize() always runs with the main interpreter active.
(cherry picked from commit 4be1f37)
Co-authored-by: Eric Snow ericsnowcurrently@gmail.com