def ceph_version(conn):
    return remoto.process.run(conn, ['ceph', '--version'])
test to make sure unicode type data is accepted
dataset/ETHPy150Open ceph/ceph-deploy/ceph_deploy/hosts/common.py/ceph_version--crossover with--dataset/ETHPy150Open NeuralEnsemble/python-neo/neo/test/coretest/test_base.py/TestBaseNeoCoreTypes.test_python_unicode