code: def _contents(self):
          
          images = ["owl.png"]
  
          # We're selecting from a list of only one item here, but it's a useful
          # technique to demonstrate:
          image = random.choice(images)
  
          image_path = os.path.join("static", "stimuli", image)
  
          uri_encoded_image = "data:image/png;base64," + base64.b64encode(
              open(image_path, "rb").read()
          )
  
          return json.dumps({"image": uri_encoded_image, "sketch": ""})
docs: Define the contents of new Infos.
  
          transmit() -> _what() -> create_information() -> _contents().