Import the MacOS toolbox modules from the Carbon package.
diff --git a/Mac/Lib/cfmfile.py b/Mac/Lib/cfmfile.py
index 9c449e0..9efc409 100644
--- a/Mac/Lib/cfmfile.py
+++ b/Mac/Lib/cfmfile.py
@@ -7,7 +7,7 @@
 
 import macfs
 import struct
-import Res
+from Carbon import Res
 import os
 import sys