code: def test_converter_pytorch_example(mnist_dir):
      from examples.spark_dataset_converter.pytorch_converter_example import (
          run,
      )
  
      run(mnist_dir)
  
imports: from distutils.version import LooseVersion
  import pyspark
  import pytest
  from examples.spark_dataset_converter.utils import get_mnist_dir
label_desc: Use image node_id 2 for calling a global function with example usage: test_converter_pytorch_example(mnist_dir) without return types