class_docstr: @note: Non-differentiable.
code: def make_node(self, x):
      return Apply(self, [x], [x.type()])
  
imports: from __future__ import absolute_import, print_function, division
  import unittest
  from theano.tests import unittest_tools
  from theano import function
  import theano
  from theano import tensor
  import itertools
  import numpy
  from theano.gof import Op, Apply
  from theano.gradient import grad_undefined
  from theano.tests.unittest_tools import SkipTest
  from theano.tensor.signal.pool import Pool
  from theano.tensor.nnet import conv, conv2d
label_desc: Use image node_id 1 for calling the BreakRop obj's underlying member method code with example usage: obj.make_node(x) and returns: Apply