Update app.py

app.py

@@ -121,8 +121,8 @@ def gradio_interface():
             with gr.Column():
                 initial_image = gr.Image(type="pil", label="Upload Image")
                 prompt = gr.Textbox(lines=1, placeholder="Enter prompt for object detection", label="Prompt")
-                replacement_image = gr.Image(type="pil", label="Replacement Image (optional)", optional=True)
-                color_ref_image = gr.Image(type="pil", label="Color Reference Image (optional)", optional=True)
+                replacement_image = gr.Image(type="pil", label="Replacement Image (optional)")
+                color_ref_image = gr.Image(type="pil", label="Color Reference Image (optional)")
                 apply_button = gr.Button("Apply Changes")
                 undo_button = gr.Button("Undo")
             with gr.Column():