def et_tostring_pp(tree):
    # pretty_print is an lxml feature, not available in ElementTree
    try:
        return ET.tostring(tree, pretty_print=True)
    except __HOLE__:
        return ET.tostring(tree)
dataset/ETHPy150Open osrg/ryu/ryu/cmd/of_config_cli.py/et_tostring_pp