Update layout visibility

app.py

@@ -259,7 +259,7 @@ def certification(hf_username, first_name, last_name):
 
   
 
-  return message, pdf, certificate, df, output_row: gr.update(visible=True)
+  return message, pdf, certificate, df, output_row.update(visible=True)
 
 """
 Verify that the user pass.