code: def load_demo_refresh_model_list(request: gr.Request):
      logger.info(f"load_demo. ip: {request.client.host}")
      models = get_model_list()
      state = default_conversation.copy()
      return (
          state,
          gr.Dropdown.update(
              choices=models, value=models[0] if len(models) > 0 else ""
          ),
          gr.Chatbot.update(visible=True),
          gr.Textbox.update(visible=True),
          gr.Button.update(visible=True),
          gr.Row.update(visible=True),
          gr.Accordion.update(visible=True),
      )
  
imports: import argparse
  import datetime
  import json
  import os
  import time
  import gradio
  import requests
  from ferret.conversation import default_conversation, conv_templates, SeparatorStyle
  from ferret.constants import LOGDIR
  from ferret.utils import build_logger, server_error_msg, violates_moderation, moderation_msg
  import hashlib
  import re
  from copy import deepcopy
  from PIL import ImageDraw, ImageFont
  from gradio import processing_utils
  import numpy
  import torch
  import torch.nn.functional
  from scipy.ndimage import binary_dilation, binary_erosion
  import pdb
  from ferret.serve.gradio_css import code_highlight_css
label_desc: Use image node_id 6 for calling a global function with example usage: load_demo_refresh_model_list(request) and returns: state,  gr,  gr,  gr,  gr,  gr,  gr