[pre-commit.ci] auto fixes from pre-commit.com hooks

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Author: pre-commit-ci[bot]

diracx-core/src/diracx/core/models.py

@@ -5,11 +5,11 @@
 
 from __future__ import annotations
 
-from datetime import datetime, UTC
+from datetime import UTC, datetime
 from enum import StrEnum
 from typing import Literal
 
-from pydantic import AwareDatetime, BaseModel, AfterValidator, Field
+from pydantic import AfterValidator, AwareDatetime, BaseModel, Field
 from typing_extensions import Annotated, TypedDict