code: def _chdir():
      # smoke test should not be performed on the root directory of checked out source code.
      import os
      from pathlib import Path
  
      os.chdir(Path(__file__).parent)
      assert "torchaudio" not in os.listdir(os.getcwd())
  
file_path: audio/test/smoke_test/smoke_test.py
imports: import argparse
  import logging
label_desc: Use image node_id 6 for calling a global function with example usage: _chdir() without return types