@classmethod
def create_empty_info(cls, sample, sequencing_object=None):
    """
        Creates an empty SampleSistrInfo object (no SISTR results).
        :param sample: The sample this object refers to.
        :param sequencing_object: The sequencing object (default None).
        :return: An empty SampleSistrInfo.
        """
    data = {'sample': sample, 'has_results': False}
    if sequencing_object is not None:
        data['paired_files'] = sequencing_object
    reportable_serovars = []
    return cls(data, reportable_serovars)
