Update app.py

app.py

@@ -205,7 +205,8 @@ with gr.Blocks() as demo:
         """)
         selected_queries = gr.CheckboxGroup(label="Select at least one query using the checkboxes", interactive=True)
         dummy_arg = gr.Textbox(visible=False, value="dummy")
-        qa_tab.select(get_queries, inputs=[dummy_arg, "state"], outputs=selected_queries)
+        queries_state = gr.State()
+        qa_tab.select(get_queries, inputs=[dummy_arg, queries_state], outputs=selected_queries)
         
         qa_button = gr.Button("Start QA")