lb shows last updated

app.py

@@ -4,8 +4,13 @@ import os
 from leaderboard import build_leaderboard
 
 def build_demo():
-
-
+    last_updated_path = 'results/last_updated.txt'
+    last_updated_str = ''
+    if os.path.exists(last_updated_path):
+        with open(last_updated_path, 'r') as f:
+            date = f.read()
+        last_updated_str = f"\nLast Updated : {date}"
+    
     with gr.Blocks() as demo:
       state = gr.State()
       with gr.Tab("Song Generation", id=0):
@@ -58,7 +63,7 @@ def build_demo():
         )
 
       with gr.Tab("Leaderboard", id=1):
-          gr.Markdown("# 🏆 Leaderboard 🏆")
+          gr.Markdown("# 🏆 Leaderboard 🏆" + last_updated_str)
           gr.Dataframe(
                 headers=[
                     "🤖 Model",