Fix clear button to remove uploaded image

app.py

@@ -195,12 +195,12 @@ with gr.Blocks(theme=THEME, title="Image Colorizer", head=HEAD) as demo:
     )
 
     def _clear():
-        return None, PLACEHOLDER_HTML, None, None, None, gr.update(visible=False)
+        return None, None, PLACEHOLDER_HTML, None, None, None, gr.update(visible=False)
     
     clr.click(
         _clear,
         inputs=None,
-        outputs=[result_state, out_html, mae_box, psnr_box, ssim_box, download_btn]
+        outputs=[img_in, result_state, out_html, mae_box, psnr_box, ssim_box, download_btn]
     )
     
     download_btn.click(