Update turn.py

turn.py

@@ -18,13 +18,13 @@ def get_ice_servers():
 
     # Access Twilio credentials from environment variables
     try:
-        account_sid = os.environ["AC8620b566f7273df3b27724e1f1468afc"]
-        auth_token = os.environ["631803725a8a5d737d1abf543d18e27c"]
+        account_sid = os.environ["TWILIO_ACCOUNT_SID"]
+        auth_token = os.environ["TWILIO_AUTH_TOKEN"]
     except KeyError:
         logger.warning(
             "Twilio credentials are not set. Fallback to a free STUN server from Google."  # noqa: E501
         )
-        return [{"urls": ["stun:stun.l.google.com:19302"]}]
+        return [{"urls": ["stun:stun.l.google.com:19302"]}
 
     # Create a Twilio client using the obtained credentials
     client = Client(account_sid, auth_token)