class_docstr: The ``HfTrainerDeepSpeedConfig`` object is meant to be created during ``TrainingArguments`` object creation and has
  the same lifespan as the latter.
class_docstr_tok: ["The","``","HfTrainerDeepSpeedConfig","``","object","is","meant","to","be","created","during","``","TrainingArguments","``","object","creation","and","has","the","same","lifespan","as","the","latter","."]
code: def dtype(self):
      return self._dtype
  
imports: import importlib.util
  import io
  import json
  import weakref
  from copy import deepcopy
  from functools import partialmethod
  from .utils.versions import require_version
  from fastNLP.envs.imports import _NEED_IMPORT_TORCH
  from fastNLP.core.log import logger
label_desc: Use image node_id 2 for calling the HfTrainerDeepSpeedConfig obj's underlying member method code with example usage: obj.dtype() and returns: self