def METHOD_NAME(self):
    # If we run the normalization for the first time during the runtime, we have to gather the activity from DB
    self.total_activity = self.total_activity or orm.sum(g.votes for g in db.ChannelMetadata)
    channel_count = orm.count(db.ChannelMetadata.select(lambda g: g.status != LEGACY_ENTRY))
    if not channel_count:
        return
    if self.total_activity > 0.0:
        self.rescale(self.total_activity / channel_count)
        self.bump_amount = 1.0