Update app.py

app.py

@@ -30,6 +30,6 @@ function refresh() {
 """
 with gr.Blocks(css=css, js = js_func, theme="monochrome") as demo:
 
-    demo.Interface(sepia, gr.Image(), "image")
+    demo  = gr.Interface(sepia, gr.Image(), "image")
     
 demo.launch()