Last try for tweaking the max stack depth. 5000 was the original value,
4000 didn't work either. 1000 does work on Windows. If 2000 works,
that will hopefully be a reasonable balance.
diff --git a/Python/marshal.c b/Python/marshal.c
index c3d4760..eac4616 100644
--- a/Python/marshal.c
+++ b/Python/marshal.c
@@ -15,7 +15,7 @@
* and risks coring the interpreter. When the object stack gets this deep,
* raise an exception instead of continuing.
*/
-#define MAX_MARSHAL_STACK_DEPTH 1000
+#define MAX_MARSHAL_STACK_DEPTH 2000
#define TYPE_NULL '0'
#define TYPE_NONE 'N'