Return a list of minions

def get_minions():
    '''
    Return a list of minions
    '''
    with _get_serv(ret=None, commit=True) as cur:

        sql = '''SELECT DISTINCT id
                FROM `salt_returns`'''

        cur.execute(sql)
        data = cur.fetchall()
        ret = []
        for minion in data:
            ret.append(minion[0])
        return ret