Update app.py

app.py

@@ -314,7 +314,7 @@ def verify_certification(df, hf_username, first_name, last_name):
     You didn't pass the minimum of 80% of the hands-on to get a certificate of completion. But don't be discouraged. 
     Check below which units you need to do again to get your certificate 💪
     """
-
+  print("return certificate")
   return certificate, message