Update app.py

app.py

@@ -4,8 +4,8 @@ import json
 import os
 
 # Replace with your actual Play.ht API key and User ID
-API_KEY = "your_play_ht_api_key"
-USER_ID = "your_play_ht_user_id"
+API_KEY = os.getenv('PLAY_API_KEY')
+USER_ID = os.getenv('PLAY_USER_ID')
 
 # Function to interact with Play.ht API
 def text_to_audio(text):