diff --git a/src/cal_tools/calcat_interface2.py b/src/cal_tools/calcat_interface2.py
index 6a52f730fc3597975a0d06c45c5ec3f7274e8f6f..6e37c59e3cd7ccbc2cf2d1a7412bdea51aab4a46 100644
--- a/src/cal_tools/calcat_interface2.py
+++ b/src/cal_tools/calcat_interface2.py
@@ -2,7 +2,7 @@ import json
 import re
 from collections.abc import Mapping
 from dataclasses import dataclass
-from datetime import datetime, date, time, timezone
+from datetime import date, datetime, time, timezone
 from functools import lru_cache
 from pathlib import Path
 from typing import Dict, List, Optional, Union