class_docstr: For internal use
      
class_docstr_tok: ["For","internal","use"]
code: def __str__(self):
      return "UNKNOWN"
  
imports: import os.path
  import re
  import sys
  from itertools import chain
  from os import linesep
  from looseversion import LooseVersion
  from datalad.config import get_git_version
  from datalad.log import lgr
  from .exceptions import CapturedException, CommandError
  from datalad.cmd import GitWitlessRunner, StdOutErrCapture, WitlessRunner
  from datalad.support.exceptions import MissingExternalDependency, OutdatedExternalDependency
label_desc: Use image node_id 1 for calling the UnknownVersion obj's underlying member method code with example usage: obj.__str__() and returns: str