Hi,

sorry to reopen this bug but it seams that your commit was not ok:

test_qualname_source (__main__.TestMain) ... ERROR

======================================================================
ERROR: test_qualname_source (__main__.TestMain)
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Traceback (most recent call last):
  File "Lib/test/test_inspect.py", line 2414, in test_qualname_source
    module = importlib.import_module('concurrent.futures')
  File "/home/remi/dev/cpython/Lib/importlib/__init__.py", line 95, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 1613, in _gcd_import
  File "<frozen importlib._bootstrap>", line 1594, in _find_and_load
  File "<frozen importlib._bootstrap>", line 1561, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 607, in _check_name_wrapper
  File "<frozen importlib._bootstrap>", line 1056, in load_module
  File "<frozen importlib._bootstrap>", line 926, in load_module
  File "<frozen importlib._bootstrap>", line 274, in _call_with_frames_removed
  File "/home/remi/dev/cpython/Lib/concurrent/futures/__init__.py", line 17, in <module>
    from concurrent.futures.process import ProcessPoolExecutor
  File "/home/remi/dev/cpython/Lib/concurrent/futures/process.py", line 53, in <module>
    from multiprocessing.queues import SimpleQueue, Full
  File "/home/remi/dev/cpython/Lib/multiprocessing/queues.py", line 22, in <module>
    import _multiprocessing
ImportError: No module named '_multiprocessing'

----------------------------------------------------------------------
Ran 164 tests in 1.285s

FAILED (errors=1)
Traceback (most recent call last):
  File "Lib/test/test_inspect.py", line 2456, in <module>
    test_main()
  File "Lib/test/test_inspect.py", line 2452, in test_main
    TestBoundArguments, TestGetClosureVars, TestUnwrap, TestMain
  File "/home/remi/dev/cpython/Lib/test/support/__init__.py", line 1696, in run_unittest
    _run_suite(suite)
  File "/home/remi/dev/cpython/Lib/test/support/__init__.py", line 1671, in _run_suite
    raise TestFailed(err)
test.support.TestFailed: Traceback (most recent call last):
  File "Lib/test/test_inspect.py", line 2414, in test_qualname_source
    module = importlib.import_module('concurrent.futures')
  File "/home/remi/dev/cpython/Lib/importlib/__init__.py", line 95, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 1613, in _gcd_import
  File "<frozen importlib._bootstrap>", line 1594, in _find_and_load
  File "<frozen importlib._bootstrap>", line 1561, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 607, in _check_name_wrapper
  File "<frozen importlib._bootstrap>", line 1056, in load_module
  File "<frozen importlib._bootstrap>", line 926, in load_module
  File "<frozen importlib._bootstrap>", line 274, in _call_with_frames_removed
  File "/home/remi/dev/cpython/Lib/concurrent/futures/__init__.py", line 17, in <module>
    from concurrent.futures.process import ProcessPoolExecutor
  File "/home/remi/dev/cpython/Lib/concurrent/futures/process.py", line 53, in <module>
    from multiprocessing.queues import SimpleQueue, Full
  File "/home/remi/dev/cpython/Lib/multiprocessing/queues.py", line 22, in <module>
    import _multiprocessing
ImportError: No module named '_multiprocessing'

Remi.