Update app.py

app.py

@@ -330,9 +330,10 @@ def generate_certificate(certificate_model, first_name, last_name):
 
 
 def add_certified_user(hf_username, first_name, last_name, pass_percentage):
+  print("ADD CERTIFIED USER")
   repo.git_pull()
   history = pd.read_csv(os.path.join(CERTIFIED_USERS_DIR, CERTIFIED_USERS_FILENAME))
-  query = 'hf_username ==' + hf_username
+  query = 'hf_username == ' + hf_username
   check = history.query(query)
   print("CHECK", check)
   print("INDEX", check.index)