code: def setUpClass(cls) -> None:
      provider_uri = str(QLIB_DIR.resolve())
      qlib.init(
          provider_uri=provider_uri,
          expression_cache=None,
          dataset_cache=None,
      )
  
file_path: qlib/tests/test_get_data.py
imports: import shutil
  import unittest
  from pathlib import Path
  import qlib
  from qlib.data import D
  from qlib.tests.data import GetData
label_desc: Use image node_id 1 for calling the TestGetData obj's underlying member method code with example usage: obj.setUpClass(cls) without return types