code: def test_hash(self):
      for i, op_i in enumerate(self.ops):
          h_i = hash(op_i)
          assert h_i == hash(op_i)
          assert h_i == hash(self.copy(op_i))
          assert h_i == hash(self.deepcopy(op_i))
          assert h_i == hash(self.clone(op_i))
          assert h_i != hash(self.other_op)
          for j, op_j in enumerate(self.ops):
              if i == j:
                  continue
              assert op_i != hash(op_j)
  
imports: from __future__ import absolute_import, print_function, division
  from copy import copy, deepcopy
  from functools import wraps
  import logging
  import sys
  import unittest
  from parameterized import parameterized
  from nose.tools import assert_raises
  from six import integer_types
  from six.moves import StringIO
  import numpy
  import theano
  import theano.tensor
  from theano import config
label_desc: Use image node_id 5 for calling the T_OpContractMixin obj's underlying member method code with example usage: obj.test_hash() without return types