update button events

app.py

@@ -153,7 +153,7 @@ with gr.Blocks() as demo:
     html_out = gr.HTML()
     
     btn_faiss.click(create_search_index, [repo_link, openai_api_key],search_index_file )
-    search_index_file.upload(fn=set_state, inputs=[] , outputs=[hf_token_in, btn_create_space])
+    btn_faiss.click(fn=set_state, inputs=[] , outputs=[hf_token_in, btn_create_space])
     btn_create_space.click(driver, [repo_link, hf_token_in], html_out)
 
 demo.queue()