code: def run(self):
      return render_convo(self.opt)
  
imports: import os
  import json
  import random
  import tempfile
  import subprocess
  from parlai.core.params import ParlaiParser
  from parlai.core.script import ParlaiScript, register_script
  from parlai.utils.io import PathManager
label_desc: Use image node_id 2 for calling the RenderConversation obj's underlying member method code with example usage: obj.run() and returns: render_convo