add -u to python to not buffer stdout
diff --git a/bin/inventory_items.py b/bin/inventory_items.py
index d27abd3..a162bad 100755
--- a/bin/inventory_items.py
+++ b/bin/inventory_items.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/python -u
 
 import os
 import sys