Reverted the strict check for __props__

theano/gof/op.py

@@ -782,6 +782,7 @@ class Op(utils.object2, PureOp, CLinkerOp):
 
     """
 
+
     def prepare_node(self, node, storage_map, compute_map, impl):
         """
         Make any special modifications that the Op needs before doing