Import cmp from theano.utils, not theano.compat

tests/gof/test_link.py

@@ -3,7 +3,7 @@ from copy import deepcopy
 import numpy as np
 
 import theano
-from theano.compat import cmp
+from theano.utils import cmp
 from theano.gof import fg, graph
 from theano.gof.graph import Apply, Constant, Variable
 from theano.gof.link import Container, PerformLinker, WrapLinker

tests/gof/test_sched.py

 from theano import tensor
-from theano.compat import cmp
+from theano.utils import cmp
 from theano.gof.graph import io_toposort
 from theano.gof.sched import (
     _toposort,

theano/gof/sched.py

 from collections import defaultdict
 
-from theano.compat import cmp
+from theano.utils import cmp
 from theano.gof.graph import list_of_nodes