code: def _getvaluepath(self, key):
      return self._cachedir.joinpath("v", Path(key))
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import json
  import os
  from collections import OrderedDict
  import attr
  import py
  import six
  import pytest
  from .compat import _PY2
  from .pathlib import Path
  from .pathlib import resolve_from_str
  from .pathlib import rm_rf
label_desc: Use image node_id 5 for calling the Cache obj's underlying member method code with example usage: obj._getvaluepath(key) and returns: self