code: def test_bug_josh_reported(self):
      # Test refers to a bug reported by Josh, when due to a bad merge these
      # few lines of code failed. See
      # http://groups.google.com/group/theano-dev/browse_thread/thread/8856e7ca5035eecb
  
      m1 = theano.tensor.matrix()
      m2 = theano.tensor.matrix()
      conv.conv2d(m1, m2)
  
file_path: Theano/theano/tensor/signal/tests/test_conv.py
imports: from __future__ import absolute_import, print_function, division
  import unittest
  from nose.plugins.skip import SkipTest
  import numpy
  import theano
  import theano.tensor
  from theano.tests import unittest_tools
  from theano.tensor.signal import conv
  from theano.tensor.basic import _allclose
label_desc: Use image node_id 5 for calling the TestSignalConv2D obj's underlying member method code with example usage: obj.test_bug_josh_reported() without return types