def is_retryable_code(response_code: int) -> bool:
    """
    Determine if response is retryable
    """
    return bool(response_code in (
        206,  # Retriable
        408,  # Timeout
        429,  # Throttle, too Many Requests
        439,  # Quota, too Many Requests over extended time
        500,  # Internal Server Error
        503,  # Service Unavailable
    ))