code: def test_cli_checkout(capsys):
      try:
          cli.main(["checkout", "sha1"])
      except NotImplementedError:
          assert True
  
file_path: fairscale/tests/experimental/wgit/test_cli.py
imports: import json
  import os
  from pathlib import Path
  import shutil
  import pytest
  import torch
  from torch import nn
  import fairscale.experimental.wgit.cli
  from fairscale.experimental.wgit.sha1_store import SHA1_Store
label_desc: Use image node_id 7 for calling a global function with example usage: test_cli_checkout(capsys) without return types