Apply isort

src/cal_tools/calcat_interface.py

 """Interfaces to calibration constant data."""
 from datetime import date, datetime, time, timezone
 from functools import lru_cache
+from logging import warning
 from pathlib import Path
 from weakref import WeakKeyDictionary
-from logging import warning
+
 import h5py
 import pasha as psh
 from calibration_client import CalibrationClient