Update app.py

app.py

@@ -1,3 +1,4 @@
+import os
 import re
 import cv2
 import time
@@ -8,7 +9,7 @@ import tensorflow as tf
 from pymongo import MongoClient
 
 def load_data():
-    client = MongoClient("mongodb+srv://kushagrasharma_13:NLhYfalYgzfldUCE@cluster0.gv2j8q5.mongodb.net/?retryWrites=true&w=majority&appName=Cluster0")
+    client = MongoClient(os.environ.get("MONGODB_URL"))
     db = client['medical-app-auth']
     collection = db['login-data']
     brain_tumor_model = tf.keras.models.load_model('models/brain_tumor.h5')