code: def from_pb(
      cls,
      pb: generate_pb2.Batch,
      tokenizer: PreTrainedTokenizerBase,
      dtype: torch.dtype,
      device: torch.device,
  ) -> "Batch":
      raise NotImplementedError
  
imports: from functools import total_ordering
  import torch
  from abc import ABC, abstractmethod
  from dataclasses import dataclass
  from typing import List, Optional
  from transformers import PreTrainedTokenizerBase
  from text_generation_server.pb import generate_pb2
  from text_generation_server.pb.generate_pb2 import FinishReason
label_desc: Use image node_id 2 for calling the Batch obj's underlying member method code with example usage: obj.from_pb(cls, pb, tokenizer, dtype, device) without return types