Update

app.py

@@ -4,6 +4,7 @@ from __future__ import annotations
 
 import os
 import string
+from multiprocessing import Manager
 
 import gradio as gr
 import PIL.Image
@@ -155,8 +156,9 @@ with gr.Blocks(css="style.css") as demo:
                 caption_output = gr.Textbox(label="Caption Output", show_label=False, container=False)
             with gr.Tab(label="Visual Question Answering"):
                 chatbot = gr.Chatbot(label="VQA Chat", show_label=False)
-                history_orig = gr.State(value=[])
-                history_qa = gr.State(value=[])
+                multiprocessing_manager = Manager()
+                history_orig = gr.State(value=lambda: multiprocessing_manager.list())
+                history_qa = gr.State(value=lambda: multiprocessing_manager.list())
                 vqa_input = gr.Text(label="Chat Input", show_label=False, max_lines=1, container=False)
                 with gr.Row():
                     clear_chat_button = gr.Button("Clear")