UnicodeDecodeError: 'utf8' codec can't decode byte 0xac in position 0: invalid start byte

[jkogut]

Traceback (most recent call last):
  File "zkutil.py", line 119, in <module>
    export_data(src_zk, str(sys.argv[3]).strip())
  File "zkutil.py", line 66, in export_data
    export_data_util(src_zk, "/")
  File "zkutil.py", line 60, in export_data_util
    export_data_util(src_zk, "/"+child)
  File "zkutil.py", line 62, in export_data_util
    export_data_util(src_zk, node_path+"/"+child)
  File "zkutil.py", line 62, in export_data_util
    export_data_util(src_zk, node_path+"/"+child)
  File "zkutil.py", line 46, in export_data_util
    root_data = get_zookeeper_data(src_zk, node_path)
  File "zkutil.py", line 36, in get_zookeeper_data
    node_value = get_value_of_node(zk, node_path)
  File "zkutil.py", line 27, in get_value_of_node
    return get_zk_data(zk.get(node_path)[0])
  File "zkutil.py", line 14, in get_zk_data
    return str(utf8_formated_data.decode("utf-8"))
  File "/usr/lib/python2.7/encodings/utf_8.py", line 16, in decode
    return codecs.utf_8_decode(input, errors, True)
UnicodeDecodeError: 'utf8' codec can't decode byte 0xac in position 0: invalid start byte