Update app.py

app.py

@@ -53,7 +53,7 @@ def request_model(model_text):
         return styled_error(f"Base model '{model_text}' {error_msg}")
 
     # Check if the model has already been evaluated using the raw 'model' column
-    if model_text in original_df['model'].values:
+    if model_text in original_df['Model'].values:
         return styled_error(f"The model '{model_text}' is already in the leaderboard.")
 
     try: