[lint] fix warnings not autofixed by ruff

app/controllers/cardManager.py

@@ -1,7 +1,4 @@
 import logging
-
-logger = logging.getLogger(__name__)
-
 from fastapi import APIRouter, Depends, HTTPException, status
 from sqlalchemy.exc import NoResultFound
 from sqlmodel import Session, select
@@ -11,12 +8,14 @@ from app.services.auth import auth_is_admin
 from app.services.database import add_and_refresh, get_session
 from app.services.scanner import DeleteCard, WriteNewCard
 
+logger = logging.getLogger(__name__)
+
 card_router = APIRouter(prefix="/api/v1/cards", tags=["Card"])
 
 
 def register_card(cardInput: CardCreate):
     key, uid = WriteNewCard()
-    if key == None:
+    if key is None:
         logger.info("No card registered. Check logs!")
         raise HTTPException(
             status.HTTP_417_EXPECTATION_FAILED, detail="No card registered. Check logs!"
@@ -40,7 +39,7 @@ def add_card(
     try:
         assert (
             db.exec(select(Card).where(Card.name == cardInput.name)).one_or_none()
-            == None
+            is None
         )
     except AssertionError:
         raise HTTPException(status.HTTP_409_CONFLICT, detail="Name already used!")