fix(web): support new version transformers

chat/web_demo.py

@@ -23,6 +23,8 @@ from typing import Callable, List, Optional
 import streamlit as st
 import torch
 from torch import nn
+
+import transformers
 from transformers.generation.utils import (LogitsProcessorList,
                                            StoppingCriteriaList)
 from transformers.utils import logging
@@ -126,7 +128,6 @@ def generate_interactive(
         generation_config=generation_config,
         stopping_criteria=stopping_criteria)
     
-    import transformers
     if transformers.__version__ >= "4.42.0":
         logits_warper = model._get_logits_warper(generation_config, device="cuda")
     else: