async def METHOD_NAME(crl_file_name: Path) -> x509.CertificateRevocationList:
    """Load a single crl from file
    Args:
        crl_file_name (Path): file to load
    Returns:
        x509.CertificateRevocationList: Return loaded CRL
    """
    content = await get_content(crl_file_name)
    if crl_file_name.suffix.lower() == '.der':
        return x509.load_der_x509_crl(content)
    return x509.load_pem_x509_crl(content)