Update app.py

app.py

@@ -24,5 +24,5 @@ def detect_faces_in_video():
     else:
         return None
 
-iface = gr.Interface(fn=detect_faces_in_video, inputs=None, outputs="number", title="Webcam Face Detection")
+iface = gr.Interface(fn=detect_faces_in_video, inputs="webcam", outputs="number", title="Webcam Face Detection")
 iface.launch()