class_docstr: Cpp processors like SentencePiece don't pickle well; reload them.
class_docstr_tok: ["Cpp","processors","like","SentencePiece","do","n't","pickle","well",";","reload","them","."]
code: def _load_processor(self):
      raise NotImplementedError
  
imports: import copy
  import json
  import re
  from collections import OrderedDict
  from typing import List, NamedTuple, Optional, Union
  import torch
  from fairseq.data.encoders.gpt2_bpe import get_encoder
  from fairseq.data.encoders.gpt2_bpe_utils import Encoder
  from pytext.config import ConfigBase
  from pytext.config.component import Component, ComponentType, create_component
  from pytext.data.pickleable_gpt2bpe_encoder import PickleableGPT2BPEEncoder
  from pytext.torchscript.tokenizer import ScriptDoNothingTokenizer, ScriptWordTokenizer
  from pytext.utils.file_io import PathManager
  from pytext.utils.usage import log_class_usage
  from transformers.tokenization_bert import BasicTokenizer, WordpieceTokenizer
label_desc: Use image node_id 1 for calling the CppProcessorMixin obj's underlying member method code with example usage: obj._load_processor() without return types