Wrapper modules underound the toolbox modules, which now have an _ prepended.
diff --git a/Mac/Lib/Carbon/Icn.py b/Mac/Lib/Carbon/Icn.py
new file mode 100644
index 0000000..b04134c
--- /dev/null
+++ b/Mac/Lib/Carbon/Icn.py
@@ -0,0 +1 @@
+from _Icn import *