Update app.py

app.py

@@ -11,10 +11,10 @@ from streamlit_webrtc import webrtc_streamer
 #token = client.tokens.create()
 
 webrtc_streamer(
-    key="sample"
+    key="sample",
     # ...
     rtc_configuration=
-    {
+    {,
         "iceServers": [{"urls": ["stun:stun.l.google.com:19302"]}]
     }
     # ...