fix: reorder imports

Author: ryuwd

diracx-core/src/diracx/core/config/schema.py

@@ -1,8 +1,8 @@
 from __future__ import annotations
 
-from functools import cached_property
 import os
 from datetime import date, datetime
+from functools import cached_property
 from typing import Annotated, Any, MutableMapping, TypeVar
 
 from pydantic import BaseModel as _BaseModel
@@ -164,7 +164,7 @@ class RegistryConfig(BaseModel):
     @cached_property
     def _preferred_username_to_sub(self) -> dict[str, str]:
         """Compute reverse lookup map from preferred username to user sub.
-        
+
         This computed field is automatically cached by Pydantic v2.
         """
         return {user.PreferedUsername: sub for sub, user in self.Users.items()}