code: def tearDown(self):
      theano.tensor.TensorType.filter_checks_isfinite = self.old_ts
      theano.compile.mode.predefined_modes[
          "DEBUG_MODE"
      ].check_isfinite = self.old_dm
  
imports: from __future__ import absolute_import, print_function, division
  import sys
  import unittest
  from nose.plugins.skip import SkipTest
  import numpy
  from six import reraise
  from theano import config
  from theano import gof
  import theano
  from theano.compat import exc_message
  from theano.compile import debugmode
  import theano.tensor
  from theano.tests import unittest_tools
label_desc: Use image node_id 2 for calling the Test_check_isfinite obj's underlying member method code with example usage: obj.tearDown() without return types