diff --git a/GPy/testing/pickle_tests.py b/GPy/testing/pickle_tests.py
index bf00055f..59818de7 100644
--- a/GPy/testing/pickle_tests.py
+++ b/GPy/testing/pickle_tests.py
@@ -23,6 +23,7 @@ from functools import reduce
 from GPy.util.caching import Cacher
 import GPy
 from pickle import PicklingError
+import GPy
 
 def toy_model():
     X = np.linspace(0,1,50)[:, None]