code: def setUp(self):
      super(TestCorr2D, self).setUp()
      self.input = T.tensor4("input", dtype=self.dtype)
      self.input.name = "default_V"
      self.filters = T.tensor4("filters", dtype=self.dtype)
      self.filters.name = "default_filters"
      if not conv.imported_scipy_signal and theano.config.cxx == "":
          raise SkipTest("CorrMM tests need SciPy or a c++ compiler")
  
imports: from __future__ import absolute_import, print_function, division
  from nose.plugins.skip import SkipTest
  from nose.plugins.attrib import attr
  from nose.tools import assert_equals
  import numpy
  from six import integer_types
  import theano
  import theano.tensor
  from theano.tests import unittest_tools
  from theano.tensor.nnet import corr, conv
  from theano.tensor.nnet.tests.test_abstract_conv import Grouped_conv_noOptim, TestUnsharedConv
  from theano.tensor.nnet.tests.test_abstract_conv import TestAsymmetricPadding, TestCausalConv
label_desc: Use image node_id 1 for calling the TestCorr2D obj's underlying member method code with example usage: obj.setUp() without return types