code: def __init__(self, megatron_legacy: bool):
      self.shared_enc_dec_embeddings = False
      self.shared_enc_dec_embeddings_intermediate = False
      self.enc_dec_share_token_embeddings_count = 0
      self.intermediate_shared_embedding_location = -1
      self.megatron_legacy = megatron_legacy
  
imports: import os
  import shutil
  import tarfile
  import tempfile
  from argparse import ArgumentParser
  from typing import Dict, List
  import torch
  import torch.nn
  from omegaconf import OmegaConf, open_dict
  from pytorch_lightning import Trainer
  from nemo.collections.nlp.parts.nlp_overrides import NEMO_MEGATRON_MODEL_PARALLEL_APPSTATE_OVERRIDE, GradScaler, MegatronHalfPrecisionPlugin, NLPDDPStrategy, NLPSaveRestoreConnector, PipelineMixedPrecisionPlugin
  from nemo.utils import logging, model_utils
  from nemo.utils.app_state import AppState
label_desc: Use image node_id 1 to create a new T5Handler object  with example: obj = T5Handler(megatron_legacy)