@LazyProperty
    def last_change(self):
        return date_fromtimestamp(self._get_mtime(), makedate()[1])
Creates a Postgres group. A group is postgres is similar to a user, but
dataset/ETHPy150Open codeinn/vcs/vcs/backends/hg/repository.py/MercurialRepository.last_change--crossover with--dataset/ETHPy150Open saltstack/salt/salt/modules/postgres.py/group_create