Update app.py

app.py

@@ -219,6 +219,6 @@ with gr.Blocks() as app:
         gr.Column()
     dec_qr_btn.click(decode_qr,[dec_qr_im,pass_out],[dec_qr_im_out,dec_qr_txt,d_json])
     en_btn.click(encrypt,[pass_in,send,rec,am],[enc_out,enc_qr_out,dec_qr_im])
-    url_btn.click(fn=predict, inputs=[url_params],[url_params], _js=get_window_url_params)                
+    url_btn.click(fn=predict, inputs=[url_params],outputs=[url_params], _js=get_window_url_params)                
 
 app.launch()