Update app.py

app.py

@@ -9,10 +9,14 @@ enable_btn = gr.Button.update(interactive=True)
 
 import sqlite3
 
-import pymongo
+from pymongo.mongo_client import MongoClient
+from pymongo.server_api import ServerApi
+
 password=os.environ.get("MONGODB")
+
 def init_database():
-    client = pymongo.MongoClient(f"mongodb+srv://new-user:{password}@cluster0.xb2urf6.mongodb.net/?retryWrites=true&w=majority&appName=Cluster0")
+    uri = f"mongodb+srv://new-user:{password}@cluster0.xb2urf6.mongodb.net/?retryWrites=true&w=majority&appName=Cluster0"
+    client = MongoClient(uri, server_api=ServerApi('1'))
     db = client["elo_ratings"]
     collection = db["elo_ratings"]
     return collection