code: def test_empty_list_indexing():
      ynp = np.zeros((2, 2))[:, []]
      znp = np.zeros((2, 2))[:, ()]
      data = [[0, 0], [0, 0]]
      x = tt.dmatrix("x")
      y = x[:, []]
      z = x[:, ()]
      fy = theano.function([x], y)
      fz = theano.function([x], z)
      assert_equal(fy(data).shape, ynp.shape)
      assert_equal(fz(data).shape, znp.shape)
  
file_path: Theano/theano/tensor/tests/test_var.py
imports: from __future__ import absolute_import, print_function, division
  import numpy
  from numpy.testing import assert_equal, assert_string_equal
  import theano
  import theano.tensor
  import theano.tests.unittest_tools
  from theano.tensor import Subtensor, AdvancedSubtensor, AdvancedSubtensor1, IncSubtensor, AdvancedIncSubtensor, AdvancedIncSubtensor1
label_desc: Use image node_id 2 for calling a global function with example usage: test_empty_list_indexing() without return types