Update app.py

app.py

@@ -451,7 +451,7 @@ with gr.Blocks(theme=gr.themes.Monochrome()) as demo:
     btn = gr.Button("Fight!")
     with gr.Row():
         gr.HTML("""<div id='chessboard' style='width: 50%; text-align: center; display: block;'></div>""")
-        out = gr.Image(width=512, width=512, show_label=False, show_share_button=False, show_download_button=False, elem_id="chessboard")
+        out = gr.Image(width=512, height=512, show_label=False, show_share_button=False, show_download_button=False, elem_id="chessboard")
         gr.HTML("""<div id='chessboard2' style='width: 50%; text-align: center; display: block;'></div>""")
     btn.click(fn=update, inputs=[model_id_white, model_id_black], outputs=out)
     gr.Markdown('<div align="center"><p style="font-size: 36px;">🏆 Leaderboard</p></div>')