code: def tearDown(self) -> None:
      if self.TMP_PATH.exists():
          shutil.rmtree(self.TMP_PATH)
  
file_path: qlib/tests/test_workflow.py
imports: import unittest
  from pathlib import Path
  import shutil
  from qlib.workflow import R
  from qlib.tests import TestAutoData
label_desc: Use image node_id 1 for calling the WorkflowTest obj's underlying member method code with example usage: obj.tearDown() without return types