add node as an argument to the cython function

theano/scan_module/scan_op.py

@@ -618,7 +618,7 @@ class Scan(PureOp):
                         cython_destroy_map,
                         args,
                         outs,
-                        self)
+                        self, node)
         except (ImportError, theano.gof.cmodule.MissingGXX):
             p = self.execute
         # default arguments are stored in the closure of `rval`

theano/scan_module/scan_perform.pyx

@@ -88,7 +88,8 @@ def perform(
             numpy.ndarray[numpy.int32_t,ndim=1] destroy_map,
             args,
             outs,
-            self):
+            self,
+            node):
     """
     Parameters
     ----------