code: def test_multiprocessing(self):
      with multiprocessing.Pool(1, _check_process) as pool:
          for _ in pool.imap(_check_process, [None]):
              pass
  
file_path: fiftyone/tests/no_wrapper/multiprocess_tests.py
imports: import multiprocessing
  import os
  import unittest
  import fiftyone
  import fiftyone.core.odm.database
label_desc: Use image node_id 1 for calling the MultiprocessTest obj's underlying member method code with example usage: obj.test_multiprocessing() without return types