Update app.py

app.py

@@ -5,7 +5,12 @@ import pandas as pd
 LEADERBOARD_CSV = "leaderboard.csv"
 import os
 from datetime import datetime, date
-
+from datasets import load_dataset
+dataset = load_dataset('wdwi92jnxa1/fwefrewe')
+aaa = dataset['train'].to_dict()
+for i in aaa:
+    aaa[i] = aaa[i][0]
+users =aaa
 SUBMIT_RECORD = "submissions.csv"
 MAX_SUBMIT_PER_DAY = 5
 
@@ -33,8 +38,7 @@ def record_submission(username):
     df.to_csv(SUBMIT_RECORD, index=False)
 import json
 def check_user_valid(username, password):
-    with open("users.json") as f:
-        users = json.load(f)
+
     return username in users and users.get(username) == password
 
 def update_leaderboard(username, score1, score2, score3):