class_docstr: Encapsulate Dictionary specific logic.
class_docstr_tok: ["Encapsulate","Dictionary","specific","logic","."]
code: def _init_dict(self, attr_name):
      dict_or_none = getattr(self, attr_name, {})
      return {} if dict_or_none is None else dict_or_none
  
imports: import warnings
  from typing import Optional
  from ..rcparams import rcParams
  from .base import dict_to_dataset, requires
  from .inference_data import WARMUP_TAG, InferenceData
label_desc: Use image node_id 2 for calling the DictConverter obj's underlying member method code with example usage: obj._init_dict(attr_name) and returns: unknown