code: def disable_experimental_warning():
      org_config = chainer.disable_experimental_feature_warning
      chainer.disable_experimental_feature_warning = True
      try:
          yield
      finally:
          chainer.disable_experimental_feature_warning = org_config
  
file_path: chainer/tests/onnx_chainer_tests/conftest.py
imports: import chainer
  import onnx
  import pytest
  import onnx_chainer
label_desc: Use image node_id 2 for calling a global function with example usage: disable_experimental_warning() without return types