diff --git a/GPy/__init__.py b/GPy/__init__.py
index d2f1c0bd..ea4fe4c5 100644
--- a/GPy/__init__.py
+++ b/GPy/__init__.py
@@ -24,7 +24,7 @@ for bc in backwards_compatibility:
 # Direct imports for convenience:
 from .core import Model
 from .core.parameterization import priors
-from paramz import Param, Parameterized, ObsAr, transformations as constraints
+from .core.parameterization import Param, Parameterized, ObsAr, transformations as constraints
 
 from .__version__ import __version__
 
diff --git a/GPy/core/parameterization/__init__.py b/GPy/core/parameterization/__init__.py
index 543b691b..11b75730 100644
--- a/GPy/core/parameterization/__init__.py
+++ b/GPy/core/parameterization/__init__.py
@@ -6,4 +6,4 @@ from .parameterized import Parameterized
 from paramz import transformations
 
 from paramz.core import lists_and_dicts, index_operations, observable_array, observable
-from paramz import ties_and_remappings
\ No newline at end of file
+from paramz import ties_and_remappings, ObsAr
\ No newline at end of file