Update app.py

app.py

@@ -333,13 +333,18 @@ 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))
- 
+
+  # Check if this hf_username is already in our dataset:
   check = history.loc[history['hf_username'] == hf_username]
-  print("CHECK", check)
-  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)
+  if !check.is_empty:
+    new_row = pd.DataFrame({'hf_username': hf_username, 'first_name': first_name, 'last_name': last_name, 'pass_percentage': pass_percentage, 'datetime': time.time()})
+    print("CHECK", check)
+    print("INDEX", check.index[0])
+    history.iloc[check.index[0]] = new_row
+  else:
+    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)
+    
   history.to_csv(os.path.join(CERTIFIED_USERS_DIR, CERTIFIED_USERS_FILENAME), index=False)
   repo.push_to_hub(commit_message="Update certified users list")