From f573a5349ac3fcaf57bccfac4b0cbe4c949b488b Mon Sep 17 00:00:00 2001
From: Zhenwen Dai <z.dai@sheffield.ac.uk>
Date: Thu, 10 Sep 2015 15:29:28 +0100
Subject: [PATCH] bug fix for set_XY

---
 GPy/core/gp.py             | 1 +
 GPy/testing/model_tests.py | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/GPy/core/gp.py b/GPy/core/gp.py
index 903044b9..f3d1697d 100644
--- a/GPy/core/gp.py
+++ b/GPy/core/gp.py
@@ -154,6 +154,7 @@ class GP(Model):
                     self.link_parameter(self.X)
             else:
                 self.X = ObsAr(X)
+            self._predictive_variable = self.X
         self.update_model(True)
 
     def set_X(self,X):
diff --git a/GPy/testing/model_tests.py b/GPy/testing/model_tests.py
index 97a47ac8..0b74ddfb 100644
--- a/GPy/testing/model_tests.py
+++ b/GPy/testing/model_tests.py
@@ -17,7 +17,9 @@ class MiscTests(unittest.TestCase):
         
     def test_setXY(self):
         m = GPy.models.GPRegression(self.X, self.Y)
+        print m.X.shape, m.Y.shape
         m.set_XY(np.vstack([self.X, np.random.rand(1,self.X.shape[1])]), np.vstack([self.Y, np.random.rand(1,self.Y.shape[1])]))
+        m._trigger_params_changed()
         self.assertTrue(m.checkgrad())
         m.predict(m.X)