Should be "utils"

import gradio as gr

from threading import Lock

from io import BytesIO

from gradio_client.processing_utils import decode_base64_to_file

from gradio_client.utils import decode_base64_to_file

from fastapi import APIRouter, Depends, FastAPI, Request, Response

from fastapi.security import HTTPBasic, HTTPBasicCredentials

from fastapi.exceptions import HTTPException