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