Update app.py

app.py

@@ -1,7 +1,12 @@
 import gradio as gr
 
-def greet(name):
-    return "Hello " + name + "!!"
+with gr.Blocks() as demo:
+    with gr.Row():
+        with gr.Column():
+            input_img = gr.Image(label="Input", sources="webcam")
+        with gr.Column():
+            output_img = gr.Image(label="Output")
+        input_img.stream(lambda s: s, input_img, output_img, time_limit=15, stream_every=0.1, concurrency_limit=30)
 
-demo = gr.Interface(fn=greet, inputs="text", outputs="text")
-demo.launch()
+if __name__ == "__main__":
+    demo.launch()