fix part 1

backend/app/api/images.py

@@ -3,10 +3,9 @@
 from uuid import UUID
 
 from fastapi import APIRouter, Depends, File, HTTPException, UploadFile, status
-from sqlalchemy.ext.asyncio import AsyncSession
+from sqlalchemy.orm import Session
 
-from app.auth.jwt import get_current_user
-from app.core.deps import get_db
+from app.core.deps import get_current_user, get_db
 from app.database.models.board import Board
 from app.database.models.user import User
 from app.images.processing import generate_thumbnails