code: def test_explicit_shared_input(self):
      # This is not a test of the In class per se, but the In class relies
      # on the fact that shared variables cannot be explicit inputs
      a = theano.shared(1.0)
      self.assertRaises(TypeError, theano.function, [a], a + 1)
  
imports: from __future__ import absolute_import, print_function, division
  import six.moves.cPickle
  import os
  import shutil
  import tempfile
  import unittest
  import numpy
  import theano
  from theano.compile.io import In
label_desc: Use image node_id 2 for calling the TestFunctionIn obj's underlying member method code with example usage: obj.test_explicit_shared_input() without return types