code: def test_invalid_input(self):
      success = False
  
      try:
          tensor.Rop(0.0, [tensor.matrix()], [tensor.vector()])
          success = True
      except ValueError:
          pass
  
      assert not success
  
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 24 for calling the test_RopLop obj's underlying member method code with example usage: obj.test_invalid_input() without return types