update

app.py

@@ -217,7 +217,7 @@ def rmbg(image, url):
     return image
 
 
-def placeholder(img):
+def placeholder(img,*args):
     return img
 
 
@@ -226,7 +226,7 @@ rmbg_tab = gr.Interface(
 )
 
 outpaint_tab = gr.Interface(
-    fn=placeholder, inputs=["image"], outputs=["image"], api_name="outpainting"
+    fn=placeholder, inputs=["image","text",gr.Dropdown(["down","up","left","right","middle"])], outputs=["image"], api_name="outpainting"
 )
 
 demo = gr.TabbedInterface(