code: def __str__(self):
      return str(self.thingy)
  
imports: from __future__ import absolute_import, print_function, division
  import unittest
  from nose.plugins.skip import SkipTest
  import numpy
  import theano
  import theano.gof.op
  from six import string_types
  from theano.gof.type import Type, Generic
  from theano.gof.graph import Apply, Variable
  import theano.tensor
  from theano import scalar
  from theano import shared
label_desc: Use image node_id 3 for calling the MyType obj's underlying member method code with example usage: obj.__str__() and returns: str