code: def test_no_mlflow_client(no_site_packages):
      with pytest.raises(
          ModuleNotFoundError,
          match=r"This contrib module requires mlflow to be installed.",
      ):
          MLflowLogger()
  
file_path: ignite/tests/ignite/contrib/handlers/test_mlflow_logger.py
imports: import sys
  from unittest.mock import call, MagicMock
  import pytest
  import torch
  from ignite.contrib.handlers.mlflow_logger import global_step_from_engine, MLflowLogger, OptimizerParamsHandler, OutputHandler
  from ignite.engine import Engine, Events, State
label_desc: Use image node_id 14 for calling a global function with example usage: test_no_mlflow_client(no_site_packages) without return types