bpo-44441: _PyImport_Fini2() resets PyImport_Inittab (GH-26874) (GH-26877)
Py_RunMain() now resets PyImport_Inittab to its initial value at
exit. It must be possible to call PyImport_AppendInittab() or
PyImport_ExtendInittab() at each Python initialization.
(cherry picked from commit 489699ca05bed5cfd10e847d8580840812b476cd)
diff --git a/Python/import.c b/Python/import.c
index c4878c6..7301fcc 100644
--- a/Python/import.c
+++ b/Python/import.c
@@ -255,6 +255,9 @@ _PyImport_Fini2(void)
PyMemAllocatorEx old_alloc;
_PyMem_SetDefaultAllocator(PYMEM_DOMAIN_RAW, &old_alloc);
+ // Reset PyImport_Inittab
+ PyImport_Inittab = _PyImport_Inittab;
+
/* Free memory allocated by PyImport_ExtendInittab() */
PyMem_RawFree(inittab_copy);
inittab_copy = NULL;