fix test_py3kwarns
The fact that this was failing and went unnoticed so long seems like a good argument for being able to enable and disble py3kwarnings through Python.
diff --git a/Lib/plat-mac/aetools.py b/Lib/plat-mac/aetools.py
index 9618b81..bf27663 100644
--- a/Lib/plat-mac/aetools.py
+++ b/Lib/plat-mac/aetools.py
@@ -22,7 +22,7 @@
from warnings import warnpy3k
-warnpy3k("In 3.x, the aetools module is removed.")
+warnpy3k("In 3.x, the aetools module is removed.", stacklevel=2)
from types import *
from Carbon import AE