fix restart problem

app.py

@@ -109,7 +109,7 @@ def gradio_reset(chat_state, img_list):
         chat_state.messages = []
     if img_list is not None:
         img_list = []
-    return None, gr.update(value=None, interactive=True), gr.update(value=None, interactive=True), gr.update(placeholder='Please upload your video first', interactive=False),gr.update(value="Upload & Start Chat", interactive=True), chat_state, img_list
+    return None, gr.update(value=None, interactive=True), gr.update(placeholder='Please upload your video first', interactive=False),gr.update(value="Upload & Start Chat", interactive=True), chat_state, img_list
 
 '''def upload_imgorvideo(gr_video, gr_img, text_input, chat_state,chatbot):
     if args.model_type == 'vicuna':