code: def __post_init__(self):
      self.scenario.default_serve_dir = f"{self.best_model_prefix}.ckpt"
      self.scenario.trainer_params_filename = (
          f"{self.best_model_prefix}.ckpt.json"
      )
      self.early_stopping.best_model_name = ""
  
      self.gen.train_gen().n_folds = self.scenario.model.ensemble
      self.gen.train_gen().channels = self.scenario.data.input_channels
      if self.gen.val_gen() is not None:
          self.gen.val_gen().channels = (
              self.scenario.data.input_channels
          )
          self.gen.val_gen().n_folds = self.scenario.model.ensemble
  
      if self.network:
          self.scenario.model.layers = parse_network_param(self.network)
          post_init(self.scenario.model)
  
imports: import json
  import logging
  import re
  from dataclasses import dataclass, field
  from typing import Optional, List
  from paiargparse import pai_meta, pai_dataclass
  from tfaip import TrainerParams, TrainerPipelineParamsBase
  from tfaip.util.tfaipargparse import post_init
  from calamari_ocr import calamari_ocr_dir
  from calamari_ocr.ocr import SavedCalamariModel
  from calamari_ocr.ocr.dataset.codec import CodecConstructionParams
  from calamari_ocr.ocr.model.layers.bilstm import BiLSTMLayerParams
  from calamari_ocr.ocr.model.layers.concat import ConcatLayerParams
  from calamari_ocr.ocr.model.layers.conv2d import Conv2DLayerParams
  from calamari_ocr.ocr.model.layers.dilatedblock import DilatedBlockLayerParams
  from calamari_ocr.ocr.model.layers.dropout import DropoutLayerParams
  from calamari_ocr.ocr.model.layers.pool2d import MaxPool2DLayerParams
  from calamari_ocr.ocr.model.layers.transposedconv2d import TransposedConv2DLayerParams
  from calamari_ocr.ocr.model.params import LayerParams, IntVec2D
  from calamari_ocr.ocr.scenario import CalamariScenarioParams
  from calamari_ocr.ocr.training.pipeline_params import CalamariDefaultTrainerPipelineParams, CalamariTrainOnlyPipelineParams, CalamariSplitTrainerPipelineParams
label_desc: Use image node_id 1 for calling the TrainerParams obj's underlying member method code with example usage: obj.__post_init__() without return types