still trying to make the leaderboard

app.py

@@ -113,7 +113,7 @@ def get_leaderboard(problem_type: str):
     filtered = ds.filter(lambda x: x["problem_type"] == problem_type and x["evaluated"])
 
     if len(filtered) == 0:
-        return pd.DataFrame(columns=["submission_time", "problem_type", "score"])
+        return pd.DataFrame(columns=["submission_time", "problem_type", "feasibility", "score"])
 
     df = pd.DataFrame(filtered)
     score_field = "score" if "score" in df.columns else "objective"  # fallback