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[OpenStack Infra <1998146@xxxxxxxxxxxxxxxxxx>]

Fix proposed to branch: master
Review: https://review.opendev.org/c/jjb/python-jenkins/+/865915

** Changed in: python-jenkins
       Status: New => In Progress

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https://bugs.launchpad.net/bugs/1998146

Title:
  error in tox: AttributeError: Can't pickle local object
  'time_limit.<locals>.capture_results'

Status in Python Jenkins:
  In Progress

Bug description:
  on macos with python 3.8 "tox -e py38" fails with this error

  ==============================
  Failed 1 tests - output below:
  ==============================

  tests.test_jenkins_sockets.JenkinsRequestTimeoutTests.test_jenkins_open_no_timeout
  ----------------------------------------------------------------------------------

  Captured traceback:
  ~~~~~~~~~~~~~~~~~~~
      Traceback (most recent call last):

        File "/Users/gdm/workspace/python-jenkins/master/tests/test_jenkins_sockets.py", line 42, in test_jenkins_open_no_timeout
      time_limit(0.5, self.messages,

        File "/Users/gdm/workspace/python-jenkins/master/tests/helper.py", line 50, in time_limit
      p.start()

        File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/multiprocessing/process.py", line 121, in start
      self._popen = self._Popen(self)

        File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/multiprocessing/context.py", line 224, in _Popen
      return _default_context.get_context().Process._Popen(process_obj)

        File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/multiprocessing/context.py", line 284, in _Popen
      return Popen(process_obj)

        File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/multiprocessing/popen_spawn_posix.py", line 32, in __init__
      super().__init__(process_obj)

        File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/multiprocessing/popen_fork.py", line 19, in __init__
      self._launch(process_obj)

        File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/multiprocessing/popen_spawn_posix.py", line 47, in _launch
      reduction.dump(process_obj, fp)

        File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/multiprocessing/reduction.py", line 60, in dump
      ForkingPickler(file, protocol).dump(obj)

      AttributeError: Can't pickle local object
  'time_limit.<locals>.capture_results'

  
  according to https://stackoverflow.com/questions/72766345/attributeerror-cant-pickle-local-object-in-multiprocessing replacing multiprocessing by multiprocess could help

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