Update src/leaderboard.py

src/leaderboard.py

@@ -106,6 +106,20 @@ def load_scientific_leaderboard() -> pd.DataFrame:
                 else:
                     df[col] = ""
         
+        # Ensure proper data types for boolean columns
+        boolean_columns = [col for col in df.columns if "adequate" in col]
+        for col in boolean_columns:
+            df[col] = df[col].fillna(False).astype(bool)
+        
+        # Ensure proper data types for numeric columns
+        numeric_columns = [
+            col for col in df.columns 
+            if any(x in col for x in ["quality", "bleu", "chrf", "ci_", "samples", "pairs", "adequacy"])
+            and "adequate" not in col
+        ]
+        for col in numeric_columns:
+            df[col] = pd.to_numeric(df[col], errors='coerce').fillna(0.0)
+        
         print(f"✅ Loaded scientific leaderboard with {len(df)} entries")
         return df