diff --git a/doc/supervised_learning.rst b/doc/supervised_learning.rst
index 4c96d82bcf2bb19d1004bb5ded9d8eed2390d34f..55bcc6f12fc17cfd82b4ae7febe772f2afb227ec 100644
--- a/doc/supervised_learning.rst
+++ b/doc/supervised_learning.rst
@@ -32,6 +32,7 @@ Supervised learning
     modules/logistic
     modules/ann
     modules/feature_selection
+    modules/gpml
 
 
 
diff --git a/scikits/learn/tests/test_gpml.py b/scikits/learn/tests/test_gpml.py
index 15453dd8eee7a641eca47a70e1b0b650911959b2..7327f81f521c5edf71c54ba96492b44c0b66d504 100644
--- a/scikits/learn/tests/test_gpml.py
+++ b/scikits/learn/tests/test_gpml.py
@@ -45,5 +45,6 @@ def test_regression_diabetes():
     gpm.thetaL, gpm.thetaU = None, None
     score_func = lambda self, X_test, y_test: self.predict(X_test)[0]
     y_pred = cross_val.cross_val_score(gpm, X, y=y, score_func=score_func, cv=cross_val.LeaveOneOut(y.size), n_jobs=1, verbose=0)
+    Q2 = metrics.explained_variance(y_pred, y)
     
-    assert Q2 > 0.
\ No newline at end of file
+    assert Q2 > 0.