Update app.py

app.py

@@ -1,4 +1,4 @@
-
+'''
 import gradio as gr
 import numpy as np
 
@@ -13,8 +13,8 @@ demo = gr.Interface(
 )
 if __name__ == "__main__":
     demo.launch()
-    
-'''
+'''    
+
 import gradio as gr
 import os
 import numpy as np
@@ -31,8 +31,9 @@ def video_identity(video):
     return video
 
 demo = gr.Interface(video_identity, 
-                    gr.Video(),
-                    "playable_video"
+                    gr.Video(sources=["webcam"], streaming=True),
+                    "playable_video",
+                    live=True,
                     #examples=[
                     #    os.path.join(os.path.dirname(__file__), 
                     #                 "video/video_sample.mp4")], 
@@ -40,4 +41,3 @@ demo = gr.Interface(video_identity,
 
 if __name__ == "__main__":
     demo.launch()
-'''