update

app.py

@@ -226,7 +226,7 @@ rmbg_tab = gr.Interface(
 )
 
 outpaint_tab = gr.Interface(
-    fr=placeholder, inputs=["image"], outputs=["image"], api_name="outpainting"
+    fn=placeholder, inputs=["image"], outputs=["image"], api_name="outpainting"
 )
 
 demo = gr.TabbedInterface(