code: def __hash__(self):
      if self.x is not None:
          return self.x
      else:
          return id(self)
  
imports: from __future__ import absolute_import, print_function, division
  import numpy
  from theano.gof.type import Type
  from theano.gof.graph import Variable, Apply, Constant
  from theano.gof.op import Op
  from theano.gof.opt import *
  from theano.gof.fg import FunctionGraph
  from theano.gof.toolbox import *
  import theano.tensor.basic
label_desc: Use image node_id 6 for calling the MyOp obj's underlying member method code with example usage: obj.__hash__() and returns: self, id