wow, thats pretty ruff

ran 'ruff check --fix app'

app/services/scanner.py

@@ -1,27 +1,34 @@
 import logging
+
 logger = logging.getLogger(__name__)
 
-import threading
-import time
 import os
 import secrets
+import threading
+import time
 
-from typing import Optional
-from sqlmodel import Session
+from desfire import (
+    DESFire,
+    DESFireKey,
+    PCSCDevice,
+    diversify_key,
+    get_list,
+    to_hex_string,
+)
+from desfire.enums import (
+    DESFireCommunicationMode,
+    DESFireFileType,
+    DESFireKeySettings,
+    DESFireKeyType,
+)
+from desfire.schemas import FilePermissions, FileSettings, KeySettings
 from dotenv import load_dotenv
 from fastapi import HTTPException, status
-
 from smartcard.CardRequest import CardRequest
 from smartcard.CardType import AnyCardType
 from smartcard.Exceptions import CardRequestTimeoutException
 
-from desfire import DESFire, DESFireKey, PCSCDevice, diversify_key, get_list, to_hex_string
-from desfire.enums import DESFireCommunicationMode, DESFireFileType, DESFireKeySettings, DESFireKeyType
-from desfire.schemas import FilePermissions, FileSettings, KeySettings
-import desfire.exceptions as desExceptions
-
-from app.services.door import openDoor, closeDoor, isDoorOpen, checkAccess
-
+from app.services.door import checkAccess, openDoor
 
 #ENV vars
 load_dotenv()
@@ -112,7 +119,7 @@ def DeleteCard():
 
         try:
             try:
-                logger.debug("Auth1")#
+                logger.debug("Auth1")
                 desfire.authenticate(0x0, aes_master_key)
             except:
                 logger.debug("Auth2")
@@ -244,7 +251,7 @@ class BackgroundScanner:
     def __init__(self, db):
         self.db = db
         self.is_running = False
-        self.thread: Optional[threading.Thread] = None
+        self.thread: threading.Thread | None = None
 
     def start(self):
         if self.is_running: