Update app.py

app.py

@@ -1,7 +1,7 @@
 import gradio as gr
 
-def greet(name):
-    return "OK"
+def greet(input_image):
+    return input_image
 
 iface = gr.Interface(greet, gr.Image(height=200, width=200), "image")
 iface.launch()