Update app.py

app.py

@@ -518,12 +518,19 @@ with gr.Blocks(css=css_tech_theme) as demo:
             )
 
         # Leaderboard Tab
-        with gr.TabItem("🏅 Leaderboard"):
-            gr.Markdown("<div class='tabs'><h2>Current Leaderboard</h2></div>")
-            leaderboard_table = gr.Dataframe(value=[], label="Leaderboard", interactive=False, wrap=True)
+      with gr.TabItem("🏅 Leaderboard"):
+            leaderboard_table = gr.Dataframe(
+                value=load_leaderboard(),
+                label="Leaderboard",
+                interactive=False,
+                wrap=True,
+            )
             refresh_button = gr.Button("Refresh Leaderboard")
-            refresh_button.click(lambda: [], inputs=[], outputs=[leaderboard_table])
-
+            refresh_button.click(
+                lambda: load_leaderboard(),
+                inputs=[],
+                outputs=[leaderboard_table],
+            )
     # Post-Tabs Section
     gr.Markdown("""
     <section class="post-tabs">