code: def test_invalid_shape(self):
      x = chainer.Variable(np.zeros((4,), dtype=np.float32))
  
      with self.assertRaises(type_check.InvalidType):
          functions.batch_l2_norm_squared(x)
  
file_path: chainer/tests/chainer_tests/functions_tests/math_tests/test_batch_l2_norm_squared.py
imports: import unittest
  import numpy
  import six
  import chainer
  from chainer import functions
  from chainer import testing
  from chainer.utils import type_check
label_desc: Use image node_id 1 for calling the TestBatchL2NormSquaredTypeError obj's underlying member method code with example usage: obj.test_invalid_shape() without return types