def chown(path, owner):
    execute('chown', owner, path, run_as_root=True)
format the object which json not supported
dataset/ETHPy150Open BU-NU-CLOUD-SP16/Trusted-Platform-Module-nova/nova/virt/libvirt/utils.py/chown--crossover with--dataset/ETHPy150Open zhongbiaodev/py-mysql-elasticsearch-sync/es_sync/__init__.py/ElasticSync._json_serializer