code: def test_ipython_workaround(self):
      # Some versions of the IPython launch script are missing the
      # __name__ = "__main__" guard, and multiprocessing has long had
      # a workaround for that case
      # See https://github.com/ipython/ipython/issues/4698
      source = test_source_main_skipped_in_children
      with support.temp_dir() as script_dir:
          script_name = _make_test_script(
              script_dir, "ipython", source=source
          )
          self._check_script(script_name)
          script_no_suffix = _make_test_script(
              script_dir, "ipython", source=source, omit_suffix=True
          )
          self._check_script(script_no_suffix)
  
imports: from test import support
  import importlib
  import importlib.machinery
  import unittest
  import sys
  import os
  import os.path
  import py_compile
  from test.support.script_helper import make_pkg, make_script, make_zip_pkg, make_zip_script, assert_python_ok
  import multiprocess
label_desc: Use image node_id 6 for calling the MultiProcessingCmdLineMixin obj's underlying member method code with example usage: obj.test_ipython_workaround() without return types