code: def step_class(self):
      return StepClass.TRAINING
  
imports: import importlib
  import logging
  import os
  import sys
  import time
  import cloudpickle
  from packaging.version import Version
  from mlflow.exceptions import INVALID_PARAMETER_VALUE, MlflowException
  from mlflow.recipes.artifacts import DataframeArtifact, TransformerArtifact
  from mlflow.recipes.cards import BaseCard
  from mlflow.recipes.step import BaseStep, StepClass
  from mlflow.recipes.utils.execution import get_step_output_path
  from mlflow.recipes.utils.step import get_pandas_data_profiles, validate_classification_config
  from mlflow.recipes.utils.tracking import TrackingConfig, get_recipe_tracking_config
label_desc: Use image node_id 8 for calling the TransformStep obj's underlying member method code with example usage: obj.step_class() and returns: StepClass