code: def on_draw(e):
      gloo.clear("white")
      polys.draw()
      paths.draw()
  
file_path: vispy/examples/collections/chloropleth.py
imports: import json
  import numpy
  from vispy import app, gloo
  from vispy.util import load_data_file
  from vispy.visuals.collections import PathCollection, PolygonCollection
  from vispy.visuals.transforms import PanZoomTransform
label_desc: Use image node_id 3 for calling a global function with example usage: on_draw(e) without return types