Update app.py

app.py

@@ -377,7 +377,6 @@ with gr.Blocks(css="constants/styles.css", theme=gr.themes.Soft()) as demo:
     )
     
     chat_button.click(None, [cur_arxiv_id], [local_data, chatbot], js=OPEN_CHAT_IF)
-    close.click(None, None, None,js=CLOSE_CHAT_IF)
 
     prompt_txtbox.submit(
         before_chat_begin, None, [close, reset, regen],
@@ -394,7 +393,8 @@ with gr.Blocks(css="constants/styles.css", theme=gr.themes.Soft()) as demo:
         js=UPDATE_CHAT_HISTORY
     )
 
-    close.click(None, None, None, cancels=[chat_event])
+    close.click(None, None, None,js=CLOSE_CHAT_IF)
+    close.click(None, None, None, cancels=[chat_event], concurrency_limit=20, queue=True)
     
     reset.click(
         before_chat_begin, None, [close, reset, regen],