Convert raise statements in Lib/plat-{mac,os2emx}.
diff --git a/Lib/plat-mac/Carbon/Qt.py b/Lib/plat-mac/Carbon/Qt.py
index 590a92a..6b8af94 100644
--- a/Lib/plat-mac/Carbon/Qt.py
+++ b/Lib/plat-mac/Carbon/Qt.py
@@ -2,4 +2,4 @@
 try:
     _ = AddFilePreview
 except:
-    raise ImportError, "Old (2.3) _Qt.so module loaded in stead of new (2.4) _Qt.so"
+    raise ImportError("Old (2.3) _Qt.so module loaded in stead of new (2.4) _Qt.so")