Index: blender-2.93.3/source/blender/python/mathutils/mathutils.c
===================================================================
--- blender-2.93.3.orig/source/blender/python/mathutils/mathutils.c
+++ blender-2.93.3/source/blender/python/mathutils/mathutils.c
@@ -95,7 +95,11 @@ Py_hash_t mathutils_array_hash(const flo
x = 0x345678UL;
i = 0;
while (--len >= 0) {
+#if PY_VERSION_HEX >= 0x30a0000 /* Version: 3.10. */
+ y = _Py_HashDouble(NULL, (double)(array[i++]));
+#else
y = _Py_HashDouble((double)(array[i++]));
+#endif
if (y == -1) {
return -1;
}