changes tie_param to tie_params

GPy/examples/classification.py

@@ -62,7 +62,7 @@ def oil():
 
     # Contrain all parameters to be positive
     m.constrain_positive('')
-    m.tie_param('lengthscale')
+    m.tie_params('lengthscale')
     m.update_likelihood_approximation()
 
     # Optimize

GPy/examples/tutorials.py

@@ -138,7 +138,7 @@ def tuto_kernel_overview():
 
     k.constrain_positive('var')
     k.constrain_fixed(np.array([1]),1.75)
-    k.tie_param('len')
+    k.tie_params('len')
     k.unconstrain('white')
     k.constrain_bounded('white',lower=1e-5,upper=.5)
     print k