diff --git a/GPy/kern/parts/__init__.py b/GPy/kern/parts/__init__.py
index 643483f5..22feeb98 100644
--- a/GPy/kern/parts/__init__.py
+++ b/GPy/kern/parts/__init__.py
@@ -5,7 +5,7 @@ import exponential
 import finite_dimensional
 import fixed
 import gibbs
-#import hetero #hetero.py is not commited: omitting for now. JH. 
+import hetero
 import hierarchical
 import independent_outputs
 import linear