type check

app.py

@@ -188,7 +188,7 @@ class LeaderboardData:
         for col in df.columns:
             if "mae" in col.lower():
                 df[col] = (df[col] * 1000).round(2)
-            else:
+            elif pd.api.types.is_numeric_dtype(df[col]):
                 df[col] = df[col].round(4)
         df = df.sort_values(by=[f"{subsplit}_energy_mae"], ascending=True)
         df[f"{subsplit}_energy_mae"] = df[f"{subsplit}_energy_mae"]
@@ -221,7 +221,7 @@ class LeaderboardData:
         for col in df.columns:
             if "mae" in col.lower():
                 df[col] = (df[col] * 1000).round(2)
-            else:
+            elif pd.api.types.is_numeric_dtype(df[col]):
                 df[col] = df[col].round(4)
         df = df.sort_values(by=[eval_columns[0]], ascending=True)
         df = df.rename(columns=COLUMN_MAPPING)