added ruff code reivew

src/orisys/calibration.py

@@ -8,11 +8,12 @@ from __future__ import annotations
 
 import json
 import warnings
+from collections.abc import Iterable, Mapping
 from copy import deepcopy
 from dataclasses import asdict, dataclass, field
 from datetime import datetime, timezone
 from pathlib import Path
-from typing import Any, Iterable, Mapping
+from typing import Any
 
 CURRENT_SCHEMA = 2
 SUPPORTED_SCHEMAS = (1, 2)