How to use the pybit.models.BuildD function in pybit

def get_buildd_id(self,buildd_id):
        try:
            cur = self.conn.cursor(cursor_factory=psycopg2.extras.DictCursor)
            cur.execute("SELECT id,name FROM buildclients WHERE id=%s",(buildd_id,))
            res = cur.fetchall()
            self.conn.commit()
            if (res):
                buildd = BuildD(res[0]['id'],res[0]['name'])
                cur.close()
                return buildd
            else:
                return None
        except psycopg2.Error as e:
            self.conn.rollback()
            raise Exception("Error retrieving buildd with id:" + str(buildd_id) + ". Database error code: "  + str(e.pgcode) + " - Details: " + str(e.pgerror))
            return None

def put_buildclient(self,name):
        try:
            cur = self.conn.cursor(cursor_factory=psycopg2.extras.DictCursor)
            cur.execute("INSERT into buildclients(name) VALUES (%s)  RETURNING id",(remove_nasties(name),))
            res = cur.fetchall()
            self.conn.commit()
            buildd = BuildD(res[0]['id'],name)
            cur.close()
            return buildd
        except psycopg2.Error as e:
            self.conn.rollback()
            raise Exception("Error adding buildd:" + name + ". Database error code: "  + str(e.pgcode) + " - Details: " + str(e.pgerror))
            return None

def get_buildclients(self,page=None):
        try:
            cur = self.conn.cursor(cursor_factory=psycopg2.extras.DictCursor)
            if page:
                # CONSTANT
                offset = (page -1) * self.limit_high;
                cur.execute("SELECT id,name FROM buildclients ORDER BY name LIMIT %s OFFSET %s", (self.limit_high,offset,))
            else:
                cur.execute("SELECT id,name FROM buildclients ORDER BY name")
            res = cur.fetchall()
            self.conn.commit()

            build_clients = []
            for i in res:
                build_clients.append(BuildD(i['id'],i['name']))
            cur.close()
            return build_clients
        except psycopg2.Error as e:
            self.conn.rollback()
            raise Exception("Error retrieving buildd list. Database error code: "  + str(e.pgcode) + " - Details: " + str(e.pgerror))
            return None