code: def setup(app):
      """
      Sphinx extension `onnx_sphinx` displays documentation
      on ONN Operators.
      """
      import sphinx
  
      app.add_config_value("onnx_doc_folder", "operators", "env")
      # Folder for storing the Markdown documentation from the repository
      app.add_config_value("onnx_md_folder", "repo-docs", "env")
      app.add_config_value("max_opsets", {}, "env")
      app.connect("builder-inited", _generate_op_doc)
      app.connect("builder-inited", _copy_repo_docs)
      return {
          "version": sphinx.__display_version__,
          "parallel_read_safe": True,
      }
  
imports: import difflib
  import importlib
  import inspect
  import keyword
  import os
  import pathlib
  import re
  import shutil
  import sys
  import textwrap
  from typing import Any
  import jinja2
  import numpy
  from sphinx.util import logging
  import onnx
  from onnx.backend.test.case.base import _Exporter
  from onnx.defs import OpSchema
label_desc: Use image node_id 17 for calling a global function with example usage: setup(app) and returns: dict