code: def _handle_exists_request(work, request):
      return Path._handle_exists_request(work, request)
  
file_path: pytorch-lightning/tests/tests_app/storage/test_copier.py
imports: import os
  import pathlib
  from unittest import mock
  from unittest.mock import Mock
  import lightning.app
  import pytest
  from lightning.app.storage.copier import _Copier, _copy_files
  from lightning.app.storage.path import Path
  from lightning.app.storage.requests import _ExistsRequest, _GetRequest
  from lightning.app.testing.helpers import _MockQueue
label_desc: Use image node_id 2 for calling the MockPatch obj's underlying member method code with example usage: obj._handle_exists_request(work, request) and returns: Path