code: def clean_mlruns_dir():
      yield
      dir_path = os.path.join(TEST_PROJECT_DIR, "mlruns")
      if os.path.exists(dir_path):
          shutil.rmtree(dir_path)
  
imports: import json
  import logging
  import os
  import shutil
  from unittest import mock
  import pytest
  from click.testing import CliRunner
  from mlflow import MlflowClient, cli
  from mlflow.utils import insecure_hash, process
  from tests.integration.utils import invoke_cli_runner
  from tests.projects.utils import GIT_PROJECT_URI, SSH_PROJECT_URI, TEST_DOCKER_PROJECT_DIR, TEST_PROJECT_DIR, docker_example_base_image
label_desc: Use image node_id 4 for calling a global function with example usage: clean_mlruns_dir() without return types