diff --git a/GPy/testing/likelihoods_tests.py b/GPy/testing/likelihoods_tests.py
index 709fe002..191dae57 100644
--- a/GPy/testing/likelihoods_tests.py
+++ b/GPy/testing/likelihoods_tests.py
@@ -496,7 +496,7 @@ class TestNoiseModels(object):
         m.checkgrad(verbose=1, step=step)
         if not m.checkgrad(step=step):
             m.checkgrad(verbose=1, step=step)
-            import ipdb; ipdb.set_trace()
+            #import ipdb; ipdb.set_trace()
             #NOTE this test appears to be stochastic for some likelihoods (student t?)
             # appears to all be working in test mode right now...
         assert m.checkgrad(step=step)