pep8

theano/gof/toolbox.py

@@ -3,11 +3,9 @@ import time
 
 from theano.gof.python25 import partial
 from theano.gof.python25 import OrderedDict
-
 from theano.gof import graph
 
 
-
 class AlreadyThere(Exception):
     """Raised by a Feature's on_attach callback method if the FunctionGraph
     attempting to attach the feature already has a functionally identical