code: def hh_assets():
      """Construct a temporary HyperparameterHunterAssets directory that exists only for the duration
      of the tests contained in each function, before it and its contents are deleted
      """
      temp_assets_path = assets_dir
      try:
          makedirs(temp_assets_path)
      except (
          FileExistsError
      ):  # Can happen if tests stopped before deleting directory - Must empty it
          rmtree(temp_assets_path)
          makedirs(temp_assets_path)
      yield
  
imports: from hyperparameter_hunter import Environment, FeatureEngineer, EngineerStep, __version__
  from hyperparameter_hunter import CVExperiment, Real, Integer, Categorical
  from hyperparameter_hunter import BayesianOptPro, DummyOptPro, ExtraTreesOptPro
  from hyperparameter_hunter.utils.learning_utils import get_boston_data
  from hyperparameter_hunter.utils.version_utils import HHVersion
  from os import makedirs
  import pytest
  from shutil import rmtree
  from xgboost import XGBRegressor
label_desc: Use image node_id 1 for calling a global function with example usage: hh_assets() without return types