code: def setup(app):
      app.connect(
          "autodoc-process-docstring", touch_example_backreferences
      )
  
file_path: nilearn/doc/conf.py
imports: import os
  import re
  import sys
  import sphinx
  from nilearn._utils import compare_version
  from github_link import make_linkcode_resolve
  import nilearn
label_desc: Use image node_id 2 for calling a global function with example usage: setup(app) without return types