Replaced OpenResFile calls with FSpOpenResFile calls (which are carbon-compatible).
diff --git a/Mac/scripts/EditPythonPrefs.py b/Mac/scripts/EditPythonPrefs.py
index 44d89a6..d9f30f1 100644
--- a/Mac/scripts/EditPythonPrefs.py
+++ b/Mac/scripts/EditPythonPrefs.py
@@ -170,7 +170,7 @@
 
 def main():
 	try:
-		h = OpenResFile('EditPythonPrefs.rsrc')
+		h = FSpOpenResFile('EditPythonPrefs.rsrc', 1)
 	except Res.Error:
 		pass	# Assume we already have acces to our own resource