code: def tearDown(self) -> None:
      super().tearDown()
      self._tmpdir.cleanup()
  
file_path: streamlit/lib/tests/streamlit/web/server/app_static_file_handler_test.py
imports: import os
  import tempfile
  from unittest.mock import MagicMock, patch
  import tornado.httpserver
  import tornado.testing
  import tornado.web
  import tornado.websocket
  from streamlit.web.server.app_static_file_handler import MAX_APP_STATIC_FILE_SIZE, AppStaticFileHandler
label_desc: Use image node_id 2 for calling the AppStaticFileHandlerTest obj's underlying member method code with example usage: obj.tearDown() without return types