code: def setUp(self):
      utt.seed_rng()
      self.rng = np.random.RandomState(seed=utt.fetch_seed())
  
imports: from __future__ import absolute_import, print_function, division
  from collections import OrderedDict
  import unittest
  import numpy
  from six.moves import xrange
  import theano
  from theano import gof, change_flags
  from theano.compat import izip
  from theano.tests import unittest_tools
  from theano import gradient
  from theano import config
  from theano.gof.null_type import NullType
  from theano.sandbox.rng_mrg import MRG_RandomStreams
label_desc: Use image node_id 1 for calling the TestZeroGrad obj's underlying member method code with example usage: obj.setUp() without return types