code: def setup(app):
      # this needs to be added so we can reference confval targets
      # in the doc contributing pages and explain what values we use and why
      app.add_object_type(
          "confval",
          "confval",
          objname="configuration value",
          indextemplate="pair: %s; configuration value",
      )
  
imports: import os
  import sys
  from typing import Dict, Any
  import arviz
label_desc: Use image node_id 1 for calling a global function with example usage: setup(app) without return types