code: def install_megatron_dependence():
      # this is a hack to install required modules for MegatronLM checkpoints
      # run the following so we don't have to install Megatron_LM code
      megatron_name = "megatron"
      megatron_spec = importlib.util.spec_from_loader(
          megatron_name, loader=None, is_package=True
      )
  
      megatron_module = importlib.util.module_from_spec(megatron_spec)
      sys.modules[megatron_name] = megatron_module
  
      model_name = "model"
      model_spec = importlib.util.spec_from_loader(
          model_name, loader=None, is_package=True
      )
  
      model_module = importlib.util.module_from_spec(model_spec)
  
      megatron_module.__dict__["model"] = model_module
  
      sys.modules[megatron_name + "." + model_name] = model_module
  
      enums_name = "enums"
      enums_spec = importlib.util.spec_from_loader(
          enums_name, loader=None, is_package=True
      )
      enums_module = importlib.util.module_from_spec(enums_spec)
  
      model_module.__dict__["enums"] = enums_module
  
      sys.modules[
          megatron_name + "." + model_name + "." + enums_name
      ] = enums_module
  
      exec(enum_code, enums_module.__dict__)
  
imports: import importlib
  import os
  import pathlib
  import sys
  from argparse import ArgumentParser
  from collections import OrderedDict
  from typing import Any, Optional
  import torch
  from lightning_fabric.utilities.cloud_io import _load
  from megatron.core import parallel_state
  from pytorch_lightning.core.saving import _load_state
  from pytorch_lightning.core.saving import load_hparams_from_tags_csv, load_hparams_from_yaml
  from pytorch_lightning.trainer.trainer import Trainer
  from pytorch_lightning.utilities.migration import pl_legacy_patch
  from nemo.collections.nlp.models.language_modeling.megatron_bert_model import MegatronBertModel
  from nemo.collections.nlp.models.language_modeling.megatron_gpt_model import MegatronGPTModel
  from nemo.collections.nlp.modules.common.megatron.megatron_init import initialize_model_parallel_for_nemo
  from nemo.collections.nlp.parts.nlp_overrides import NLPSaveRestoreConnector
  from nemo.utils import AppState, logging
  from nemo.utils.distributed import initialize_distributed
  from nemo.utils.model_utils import inject_model_parallel_rank, uninject_model_parallel_rank
label_desc: Use image node_id 1 for calling a global function with example usage: install_megatron_dependence() without return types