Update app.py

app.py

@@ -28,7 +28,7 @@ with gr.Blocks(css=css) as demo:
     )
     with gr.Column(elem_classes=["my-column"]):
         with gr.Group(elem_classes=["my-group"]):
-            image = WebRTC(label="Stream", rtc_configuration=rtc_configuration)
+            image = WebRTC(label="Stream", rtc_configuration=None)
             conf_threshold = gr.Slider(
                 label="Confidence Threshold",
                 minimum=0.0,