def load_ipython_extension(ip, **kwargs):
    global _loaded
    if not _loaded:
        ip.register_magics(MatlabMagics(ip, **kwargs))
        _loaded = True
Returns generator that indicates whether master is ready to SSH.
dataset/ETHPy150Open arokem/python-matlab-bridge/pymatbridge/matlab_magic.py/load_ipython_extension--crossover with--dataset/ETHPy150Open GoogleCloudPlatform/solutions-google-compute-engine-cluster-for-hadoop/gce_cluster.py/GceCluster._MasterSshChecker