class_docstr: Private class defines non-distributed computation model for code compatibility with other distributed models.
class_docstr_tok: ["Private","class","defines","non-distributed","computation","model","for","code","compatibility","with","other","distributed","models","."]
code: def __init__(
      self, _backend: Optional[str] = None, **kwargs: Any
  ) -> None:
      super(_SerialModel, self).__init__()
  
imports: from abc import ABCMeta, abstractmethod
  from numbers import Number
  from typing import Any, Callable, cast, List, Optional, Union
  import torch
  from packaging.version import Version
label_desc: Use image node_id 1 to create a new _SerialModel object from inherited base classes: ComputationModel with example: obj = _SerialModel(_backend)