update stable diffusion model

app.py

@@ -200,7 +200,7 @@ def gradio_interface():
                 sd_caption = gr.Textbox(label="Captioning Result", show_copy_button=True, visible=False)
 
                 submit_sd.click(
-                    fn=colorize_single_image,
+                    fn=colorize_image_sdxl,
                     inputs=[sd_image, positive_prompt, negative_prompt, generate_caption],
                     outputs=[sd_output_image, sd_caption]
                 )