code: def test_accurate(self):
      r1, r2 = MyVariable(1), MyVariable(2)
      node = MyOp.make_node(r1, r2)
      _, new = clone([r1, r2], node.outputs, False)
      assert self.str([r1, r2], new) == ["MyOp(R1, R2)"]
  
imports: from __future__ import absolute_import, print_function, division
  from itertools import count
  import pickle
  import unittest
  from nose.plugins.skip import SkipTest
  import numpy
  from theano import sparse, shared, tensor
  from theano.gof.graph import Apply, as_string, clone, general_toposort, inputs, io_toposort, is_same_graph, Variable
  from theano.gof.op import Op
  from theano.gof.type import Type
label_desc: Use image node_id 1 for calling the TestClone obj's underlying member method code with example usage: obj.test_accurate() without return types