def decipher(self):
        """Decipher """

        # calculate time thread took to finish
        # logging.info('Starting HI score')
        tstart = datetime.now()

        decipher_obj = decipher.Decipher(self.vcf_file)
        decipher_obj.run()

        tend = datetime.now()
        execution_time = tend - tstart
Decipher