class_docstr: Manager for backend model objects
code: def cache_dir(self):
      return self._cache_dir
  
imports: from collections import namedtuple
  from functools import partial
  import six
  from pathlib2 import Path
  from .base import IdObjectBase
  from .util import make_message
  from ..backend_api import Session
  from ..backend_api.services import models, tasks
  from ..storage import StorageManager
  from ..storage.helper import StorageHelper
  from ..utilities.async_manager import AsyncManagerMixin
label_desc: Use image node_id 26 for calling the Model obj's underlying member method code with example usage: obj.cache_dir() and returns: self