code: def clean_env():
      for env_var in [
          "MODELKIT_ASSETS_DIR",
          "MODELKIT_ASSETS_TIMEOUT_S",
          "MODELKIT_CACHE_HOST",
          "MODELKIT_CACHE_IMPLEMENTATION",
          "MODELKIT_CACHE_MAX_SIZE",
          "MODELKIT_CACHE_PORT",
          "MODELKIT_CACHE_PROVIDER",
          "MODELKIT_DEFAULT_PACKAGE",
          "MODELKIT_LAZY_LOADING",
          "MODELKIT_STORAGE_BUCKET",
          "MODELKIT_STORAGE_FORCE_DOWNLOAD",
          "MODELKIT_ASSETS_DIR_OVERRIDE",
          "MODELKIT_ASSETS_VERSIONING_SYSTEM",
          "MODELKIT_STORAGE_PREFIX",
          "MODELKIT_STORAGE_PROVIDER",
          "MODELKIT_STORAGE_TIMEOUT_S",
          "MODELKIT_TF_SERVING_ATTEMPTS",
          "MODELKIT_TF_SERVING_ENABLE",
          "MODELKIT_TF_SERVING_MODE",
          "MODELKIT_TF_SERVING_PORT",
      ]:
          os.environ.pop(env_var, None)
  
file_path: modelkit/tests/conftest.py
imports: import asyncio
  import os
  import tempfile
  import pytest
  from modelkit.assets.remote import StorageProvider
  from tests import TEST_DIR
label_desc: Use image node_id 4 for calling a global function with example usage: clean_env() without return types