Update turn.py

turn.py

@@ -7,7 +7,6 @@ from twilio.rest import Client
 
 logger = logging.getLogger(__name__)
 
-
 @st.cache_data  # type: ignore
 def get_ice_servers():
     """Use Twilio's TURN server because Streamlit Community Cloud has changed
@@ -17,18 +16,19 @@ def get_ice_servers():
     See https://github.com/whitphx/streamlit-webrtc/issues/1213
     """
 
-    # Ref: https://www.twilio.com/docs/stun-turn/api
+    # 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)
 
+    # Generate a token and return the ICE servers
     token = client.tokens.create()
-
-    return token.ice_servers
+    return token.ice_servers