def addphys(self, nodenum):
        if nodenum not in self.phys:
            self.phys.append(nodenum)
:param group_id: the id of the group
dataset/ETHPy150Open coreemu/core/daemon/core/broker.py/CoreBroker.addphys--crossover with--dataset/ETHPy150Open dcos/dcos-cli/cli/dcoscli/marathon/main.py/_group_update