Update app.py

app.py

@@ -336,7 +336,7 @@ def add_certified_user(hf_username, first_name, last_name, pass_percentage):
  
   check = history.loc[history['hf_username'] == hf_username]
   print("CHECK", check)
-  print("INDEX", check.index)
+  print("INDEX", check.index[0])
   new_row = pd.DataFrame({'hf_username': hf_username, 'first_name': first_name, 'last_name': last_name, 'pass_percentage': pass_percentage, 'datetime': time.time()}, index=[0])
   history = pd.concat([new_row, history[:]]).reset_index(drop=True)
   print("HISTORY", history)