Add Mac/Lib/lib-scriptpackages to sys.path too.
diff --git a/Mac/OSX/sample_sitecustomize.py b/Mac/OSX/sample_sitecustomize.py
index 09ab44f..d7bbb12 100644
--- a/Mac/OSX/sample_sitecustomize.py
+++ b/Mac/OSX/sample_sitecustomize.py
@@ -1,4 +1,6 @@
import sys
import os
-_maclib = os.path.join(sys.prefix, 'Mac/Lib')
-sys.path.append(_maclib)
\ No newline at end of file
+_maclib = os.path.join(sys.prefix, 'Mac', 'Lib')
+_scriptlib = os.path.join(_maclib, 'lib-scriptpackages')
+sys.path.append(_maclib)
+sys.path.append(_scriptlib)