code: def test_gemini_ckpIO():
      spawn(run_dist, 4)
  
file_path: ColossalAI/tests/test_checkpoint_io/test_gemini_checkpoint_io.py
imports: import os
  import pytest
  import torch
  import torch.distributed
  from transformers import LlamaForCausalLM
  from utils import shared_tempdir
  import colossalai
  from colossalai.testing import skip_if_not_enough_gpus
  from colossalai.booster import Booster
  from colossalai.booster.plugin import GeminiPlugin
  from colossalai.lazy import LazyInitContext
  from colossalai.nn.optimizer import HybridAdam
  from colossalai.testing import check_state_dict_equal, clear_cache_before_run, parameterize, rerun_if_address_is_in_use, spawn
  from tests.kit.model_zoo import model_zoo
label_desc: Use image node_id 5 for calling a global function with example usage: test_gemini_ckpIO() without return types