Import the MacOS toolbox modules from the Carbon package.
diff --git a/Mac/IDE scripts/Widget demos/ModalDialog.py b/Mac/IDE scripts/Widget demos/ModalDialog.py
index 683a76a..801dfd4 100644
--- a/Mac/IDE scripts/Widget demos/ModalDialog.py
+++ b/Mac/IDE scripts/Widget demos/ModalDialog.py
@@ -1,5 +1,5 @@
 import W
-import Windows
+from Carbon import Windows
 
 
 w = W.ModalDialog((100, 100))