code: def setup(app):
      app.add_config_value("edit_on_github_project", "", True)
      app.add_config_value("edit_on_github_branch", "master", True)
      app.add_config_value(
          "edit_on_github_src_path", "", True
      )  # 'eg' "docs/"
      app.connect("html-page-context", html_page_context)
  
      return {
          "version": "0.1",
          "parallel_read_safe": True,
          "parallel_write_safe": True,
      }
  
imports: import os
  import warnings
label_desc: Use image node_id 3 for calling a global function with example usage: setup(app) and returns: dict