Update app.py

app.py

@@ -454,7 +454,7 @@ async def clear(state: dict) -> tuple:
 def build_app() -> gr.Blocks:
     validate_config()
     with gr.Blocks(title=APP_TITLE, analytics_enabled=ANALYTICS_ENABLED) as demo:
-        state = gr.State(value=new_session)
+        state = gr.State(value=new_session())
         job = gr.State(value=None)
         gr.Markdown(APP_HEADING_MARKDOWN)
         chatbot = gr.Chatbot(
@@ -524,12 +524,12 @@ def build_app() -> gr.Blocks:
             queue=False,
             api_visibility="private",
         )
-    return demo.queue(max_size=QUEUE_MAX_SIZE)
+    return demo
 
 demo = build_app()
 demo.queue(
-    default_concurrency_limit=8,
-    max_size=64,
+    default_concurrency_limit=CONCURRENCY_LIMIT,
+    max_size=QUEUE_MAX_SIZE,
 )
 
 if __name__ == "__main__":