text: from fastapi import HTTPException
  from starlette.status import HTTP_401_UNAUTHORIZED, HTTP_404_NOT_FOUND
  
  
  unauthorized = HTTPException(
      status_code=HTTP_401_UNAUTHORIZED,
      detail="Authentication failed",
      headers={"WWW-Authenticate": "Bearer"})
  
  
  not_found = HTTPException(
      status_code=HTTP_404_NOT_FOUND,
      detail="Not found")
  