Fixed too long line

        # we must refresh those tags only when domains tags are registered to

        # have the calculated values

        for tag in ('cpualloc', 'cpurunning', 'cpuremaining', 'cpuallocratio', 'memalloc', 'memrunning', 'memremaining', 'memallocratio'):

        tags_to_refresh = ('cpualloc', 'cpurunning', 'cpuremaining',

                           'cpuallocratio', 'memalloc', 'memrunning',

                           'memremaining', 'memallocratio')

        for tag in tags_to_refresh:

            self.tag_db['__main__'][tag].update_value()

        # register libvirt handlers