code: def setup(app):
      app.connect("builder-inited", main)
  
imports: import sys
  import os
  import glob
  import token
  import tokenize
  import shutil
  import json
  import matplotlib
  import mpld3
  from matplotlib import image
  from matplotlib.figure import Figure
label_desc: Use image node_id 4 for calling a global function with example usage: setup(app) without return types