Update app.py

app.py

@@ -250,6 +250,14 @@ def load_leaderboard():
         return pd.DataFrame({"Message": ["Leaderboard is empty."]})
     return pd.read_csv(LEADERBOARD_FILE)
 
+# Build Gradio App
+
+def load_leaderboard():
+    if not os.path.exists(LEADERBOARD_FILE):
+        return pd.DataFrame({"Message": ["Leaderboard is empty."]})
+    print("Loading leaderboard data...")
+    return pd.read_csv(LEADERBOARD_FILE)
+
 # Build Gradio App
 with gr.Blocks() as demo:
     gr.Markdown("# Prediction Evaluation Tool with Leaderboard")
@@ -258,10 +266,16 @@ with gr.Blocks() as demo:
             file_input = gr.File(label="Upload Prediction CSV")
             eval_status = gr.Textbox(label="Evaluation Status", interactive=False)
             eval_button = gr.Button("Evaluate and Update Leaderboard")
+            leaderboard_table = gr.Dataframe(
+                value=load_leaderboard(),
+                label="Leaderboard",
+                interactive=False,
+                wrap=True,
+            )
             eval_button.click(
-                evaluate_predictions,
+                lambda file: (evaluate_predictions(file), load_leaderboard()),
                 inputs=[file_input],
-                outputs=[eval_status],
+                outputs=[eval_status, leaderboard_table],
             )
         with gr.TabItem("🏅 Leaderboard"):
             leaderboard_table = gr.Dataframe(