code: def test_setsubtensor2(self):
      tv = np.asarray(
          self.rng.uniform(size=(10,)), theano.config.floatX
      )
      t = theano.shared(tv)
      out = tensor.set_subtensor(t[:4], self.x[:4])
      self.check_rop_lop(out, (10,))
  
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 10 for calling the test_RopLop obj's underlying member method code with example usage: obj.test_setsubtensor2() without return types