Add assert string

theano/compile/profiling.py

@@ -713,7 +713,7 @@ class ProfileStats(object):
                         assert len(vidx) == 1, "Here we only support the possibility to destroy one input"
                         ins = node.inputs[vidx[0]]
                     if vmap and idx2 in vmap:
-                        assert ins is None
+                        assert ins is None, "Here we only support the possibility to view one input"
                         vidx = vmap[idx2]
                         assert len(vidx) == 1, "Here we only support the possibility to view one input"
                         ins = node.inputs[vidx[0]]
@@ -848,7 +848,7 @@ class ProfileStats(object):
                         if vmap and idx in vmap:
                             assert ins is None, "Here we only support the possibility to view one input"
                             vidx = vmap[idx]
-                            assert len(vidx) == 1
+                            assert len(vidx) == 1, "Here we only support the possibility to destroy one input"
                             ins = node.inputs[vidx[0]]
                         if ins is not None:
                             # This is needed for destroy_map in case it