diff --git a/diracx-core/src/diracx/core/preferences.py b/diracx-core/src/diracx/core/preferences.py
index cb1f193b..7a0b6f73 100644
--- a/diracx-core/src/diracx/core/preferences.py
+++ b/diracx-core/src/diracx/core/preferences.py
@@ -1,16 +1,13 @@
 from __future__ import annotations
 
-from pydantic import field_validator
-from pydantic_settings import SettingsConfigDict
-
 import logging
 import sys
 from enum import Enum, StrEnum
 from functools import lru_cache
 from pathlib import Path
 
-from pydantic import AnyHttpUrl, Field
-from pydantic_settings import BaseSettings
+from pydantic import AnyHttpUrl, Field, field_validator
+from pydantic_settings import BaseSettings, SettingsConfigDict
 
 from .utils import dotenv_files_from_environment
 
diff --git a/diracx-core/src/diracx/core/settings.py b/diracx-core/src/diracx/core/settings.py
index 73035ecb..20bb1f3f 100644
--- a/diracx-core/src/diracx/core/settings.py
+++ b/diracx-core/src/diracx/core/settings.py
@@ -1,8 +1,5 @@
 from __future__ import annotations
 
-from diracx.core.properties import SecurityProperty
-from diracx.core.s3 import s3_bucket_exists
-
 import contextlib
 from collections.abc import AsyncIterator
 from pathlib import Path
@@ -25,6 +22,9 @@
 )
 from pydantic_settings import BaseSettings, SettingsConfigDict
 
+from diracx.core.properties import SecurityProperty
+from diracx.core.s3 import s3_bucket_exists
+
 if TYPE_CHECKING:
     from types_aiobotocore_s3.client import S3Client