Update app.py

app.py

@@ -81,9 +81,9 @@ def handler(image=None, image_url=None, batch_urls=None) -> Union[str, List[str]
 demo = gr.Interface(
     fn=handler,
     inputs=[
-        gr.Image(label="Upload Image", type="pil", optional=True),
-        gr.Textbox(label="Paste Image URL", optional=True),
-        gr.Textbox(label="Comma-separated Image URLs (Batch)", optional=True),
+        gr.Image(label="Upload Image", type="pil"),
+        gr.Textbox(label="Paste Image URL"),
+        gr.Textbox(label="Comma-separated Image URLs (Batch)"),
     ],
     outputs=gr.File(label="Output File(s)", file_count="multiple"),
     title="Background Remover (White Fill)",