wow, thats pretty ruff

ran 'ruff check --fix app'

app/services/auth.py

@@ -1,16 +1,21 @@
 import logging
+
 logger = logging.getLogger(__name__)
+import os
+import secrets
+import string
+from datetime import UTC, datetime, timedelta
 from typing import Annotated
-from datetime import datetime, timedelta, timezone
-from fastapi import APIRouter, HTTPException, Depends, status
-from fastapi.security import OAuth2PasswordBearer, OAuth2PasswordRequestForm
-from sqlmodel import Session, select
-from pwdlib import PasswordHash
+
 import jwt
+from fastapi import APIRouter, Depends, HTTPException, status
+from fastapi.security import OAuth2PasswordBearer, OAuth2PasswordRequestForm
 from jwt.exceptions import InvalidTokenError
-from app.model.models import UserDB, Token, TokenData, UserCreate
+from pwdlib import PasswordHash
+from sqlmodel import Session, select
+
+from app.model.models import Token, TokenData, UserDB
 from app.services.database import *
-import secrets, string, os
 
 SECRET_KEY = os.getenv("SECRET_KEY", default="ff"*16)
 ALGORITHM = "HS256"
@@ -43,9 +48,9 @@ def authenticate_user(db, username: str, password: str):
 def create_access_token(data: dict, expires_delta: timedelta | None = None):
     to_encode = data.copy()
     if expires_delta:
-        expire = datetime.now(timezone.utc) + expires_delta
+        expire = datetime.now(UTC) + expires_delta
     else:
-        expire = datetime.now(timezone.utc) + timedelta(minutes=15)
+        expire = datetime.now(UTC) + timedelta(minutes=15)
     to_encode.update({"exp": expire})
     encoded_jwt = jwt.encode(to_encode, SECRET_KEY, algorithm=ALGORITHM)
     return encoded_jwt