code: def __getattr__(self, name):
      try:
          return self._odb[name]
      except KeyError as exc:
          raise AttributeError from exc
  
file_path: dvc/dvc/cachemgr.py
imports: import os
  from typing import TYPE_CHECKING, Optional, Tuple
  from dvc.fs import GitFileSystem, Schemes
  from dvc_data.hashfile.db import get_odb
  from dvc_data.hashfile.hash import DEFAULT_ALGORITHM
label_desc: Use image node_id 4 for calling the CacheManager obj's underlying member method code with example usage: obj.__getattr__(name) and returns: self