Update app.py

app.py

@@ -126,6 +126,9 @@ def get_leaderboard_models():
     data = []
     for filename in filenames:
         data.append(pd.read_csv(filename))
+    # Return an empty dataframe with expected columns if no files are found
+    if not data:
+        return pd.DataFrame(columns=['model', 'task'])
     leaderboard_data = pd.concat(data, ignore_index=True)
     return leaderboard_data[['model', 'task']]
 
@@ -194,7 +197,7 @@ with gr.Blocks() as demo:
     <div style="margin-top: 0px;">
         <img src="https://huggingface.co/spaces/AIEnergyScore/Leaderboard/resolve/main/logo.png" 
              alt="Logo" 
-             style="display: block; margin: 0 auto; max-width: 400px; height: auto;">
+             style="display: block; margin: 0 auto; max-width: 500px; height: auto;">
     </div>
     ''')
 
@@ -246,4 +249,4 @@ with gr.Blocks() as demo:
                 with gr.Accordion("Models that have been benchmarked recently:", open=False, visible=False):
                     gr.Dataframe(formatted_df, elem_classes="full-width")
 
-demo.launch()
+demo.launch()