Backend corregido para subir el logo de chelists 1.0.61

backend/app/main.py

@@ -7,6 +7,7 @@ from fastapi.security import HTTPBearer, HTTPAuthorizationCredentials
 from sqlalchemy.orm import Session, joinedload
 from sqlalchemy import func, case
 from typing import List, Optional
+from io import BytesIO
 import os
 import boto3
 from botocore.client import Config