code: def test_lazy_loading_setting(monkeypatch):
      monkeypatch.delenv("MODELKIT_LAZY_LOADING", raising=False)
      settings = LibrarySettings()
      assert not settings.lazy_loading
      monkeypatch.setenv("MODELKIT_LAZY_LOADING", "True")
      settings = LibrarySettings()
      assert settings.lazy_loading
  
imports: import asyncio
  import os
  import pytest
  from modelkit.assets.errors import AssetDoesNotExistError, InvalidAssetSpecError
  from modelkit.core import errors
  from modelkit.core.library import ConfigurationNotFoundException, ModelLibrary, download_assets, load_model
  from modelkit.core.model import Asset, AsyncModel, Model
  from modelkit.core.model_configuration import ModelConfiguration, _configurations_from_objects, configure, list_assets
  from modelkit.core.settings import LibrarySettings
  from tests import TEST_DIR, testmodels
  from tests.assets.test_versioning import test_versioning
label_desc: Use image node_id 15 for calling a global function with example usage: test_lazy_loading_setting(monkeypatch) without return types