From c2de25f9180dd880a3d30e7c5970c2ccb2eb2863 Mon Sep 17 00:00:00 2001
From: James Hensman <james.hensman@gmail.com>
Date: Thu, 6 Nov 2014 14:15:29 +0000
Subject: [PATCH] fixed or zero size models will now not raise an error when
 trying to optimize

---
 GPy/core/model.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/GPy/core/model.py b/GPy/core/model.py
index 355087ca..029b8fc8 100644
--- a/GPy/core/model.py
+++ b/GPy/core/model.py
@@ -234,9 +234,9 @@ class Model(Parameterized):
 
         """
         if self.is_fixed:
-            raise RuntimeError, "Cannot optimize, when everything is fixed"
+            print 'nothing to optimize'
         if self.size == 0:
-            raise RuntimeError, "Model without parameters cannot be optimized"
+            print 'nothing to optimize'
 
         if start == None:
             start = self.optimizer_array