code: def _create_ln(*args, **kwargs):
      flag = chainer.disable_experimental_feature_warning
      chainer.disable_experimental_feature_warning = True
      try:
          return links.LayerNormalization(*args, **kwargs)
      finally:
          chainer.disable_experimental_feature_warning = flag
  
imports: import unittest
  import numpy
  import chainer
  from chainer.backends import cuda
  from chainer import gradient_check
  from chainer import links
  from chainer import testing
  from chainer.testing import attr
  from chainer.testing import condition
  from chainer.utils import type_check
label_desc: Use image node_id 1 for calling a global function with example usage: _create_ln() and returns: links