class_docstr: The `HfTrainerDeepSpeedConfig` object is meant to be created during `TrainingArguments` object creation and has the
  same lifespan as the latter.
code: def dtype(self):
      if self._dtype is None:
          raise ValueError(
              "trainer_config_process() wasn't called yet to tell dtype"
          )
      return self._dtype
  
imports: import importlib.util
  import weakref
  from copy import deepcopy
  from functools import partialmethod
  from .dependency_versions_check import dep_version_check
  from .utils import is_accelerate_available, is_torch_available, logging
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