code: def setup(app):
      from recommonmark.transform import AutoStructify
  
      app.add_domain(GithubURLDomain)
      app.connect("autodoc-process-signature", process_signature)
      app.connect("autodoc-skip-member", autodoc_skip_member)
      app.add_config_value(
          "recommonmark_config",
          {
              "auto_toc_tree_section": "Contents",
              "enable_math": True,
              "enable_inline_math": True,
              "enable_eval_rst": True,
          },
          True,
      )
      app.add_transform(AutoStructify)
  
file_path: tensorpack/docs/conf.py
imports: import sys, os, re
  import mock
  import inspect
  from sphinx.domains import Domain
  import tensorpack
  import sphinx_rtd_theme
label_desc: Use image node_id 3 for calling a global function with example usage: setup(app) without return types