def is_valid_response(response):
    """Returns ``True`` if response ``status_code`` is not an error type,
    returns ``False`` otherwise.

    :param response: :class:~`requests.Response` object to check
    :type response: :class:~`requests.Response`
    :returns: ``True`` if response ``status_code`` is not an error type,
              ``False`` otherwise.
    :rtype bool:
    """
    return 200 <= response.status_code <= 299
