» ./python.exe -OO -m test test_concurrent_futures     
Using random seed: 2576397461
0:00:00 load avg: 2.18 Run 9 tests sequentially in a single process
0:00:00 load avg: 2.18 [1/9] test_concurrent_futures.test_as_completed
test test_concurrent_futures.test_as_completed crashed -- Traceback (most recent call last):
  File "/Users/sobolev/Desktop/cpython/Lib/test/libregrtest/single.py", line 210, in _runtest_env_changed_exc
    _load_run_test(result, runtests)
    ~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^
  File "/Users/sobolev/Desktop/cpython/Lib/test/libregrtest/single.py", line 155, in _load_run_test
    test_mod = importlib.import_module(module_name)
  File "/Users/sobolev/Desktop/cpython/Lib/importlib/__init__.py", line 88, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
           ~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "<frozen importlib._bootstrap>", line 1398, in _gcd_import
  File "<frozen importlib._bootstrap>", line 1371, in _find_and_load
  File "<frozen importlib._bootstrap>", line 1342, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 938, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 762, in exec_module
  File "<frozen importlib._bootstrap>", line 491, in _call_with_frames_removed
  File "/Users/sobolev/Desktop/cpython/Lib/test/test_concurrent_futures/test_as_completed.py", line 11, in <module>
    from .util import (
    ...<2 lines>...
        create_future, create_executor_tests, setup_module)
  File "/Users/sobolev/Desktop/cpython/Lib/test/test_concurrent_futures/util.py", line 87, in <module>
    class InterpreterPoolMixin(ExecutorMixin):
    ...<3 lines>...
            self.skipTest("InterpreterPoolExecutor doesn't support events")
  File "/Users/sobolev/Desktop/cpython/Lib/test/test_concurrent_futures/util.py", line 88, in InterpreterPoolMixin
    executor_type = futures.InterpreterPoolExecutor
                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/sobolev/Desktop/cpython/Lib/concurrent/futures/__init__.py", line 62, in __getattr__
    from .interpreter import InterpreterPoolExecutor
  File "/Users/sobolev/Desktop/cpython/Lib/concurrent/futures/interpreter.py", line 3, in <module>
    from concurrent import interpreters
  File "/Users/sobolev/Desktop/cpython/Lib/concurrent/interpreters/__init__.py", line 12, in <module>
    from ._queues import (
    ...<2 lines>...
    )
  File "/Users/sobolev/Desktop/cpython/Lib/concurrent/interpreters/_queues.py", line 49, in <module>
    UNBOUND = _crossinterp.UnboundItem.singleton('queue', __name__)
  File "/Users/sobolev/Desktop/cpython/Lib/concurrent/interpreters/_crossinterp.py", line 43, in singleton
    doc = cls.__doc__.replace('cross-interpreter container', kind)
          ^^^^^^^^^^^^^^^^^^^
AttributeError: 'NoneType' object has no attribute 'replace'

0:00:00 load avg: 2.18 [1/9/1] test_concurrent_futures.test_as_completed failed (uncaught exception)
0:00:00 load avg: 2.18 [2/9/1] test_concurrent_futures.test_deadlock
test test_concurrent_futures.test_deadlock crashed -- Traceback (most recent call last):
  File "/Users/sobolev/Desktop/cpython/Lib/test/libregrtest/single.py", line 210, in _runtest_env_changed_exc
    _load_run_test(result, runtests)
    ~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^
  File "/Users/sobolev/Desktop/cpython/Lib/test/libregrtest/single.py", line 155, in _load_run_test
    test_mod = importlib.import_module(module_name)
  File "/Users/sobolev/Desktop/cpython/Lib/importlib/__init__.py", line 88, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
           ~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "<frozen importlib._bootstrap>", line 1398, in _gcd_import
  File "<frozen importlib._bootstrap>", line 1371, in _find_and_load
  File "<frozen importlib._bootstrap>", line 1342, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 938, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 762, in exec_module
  File "<frozen importlib._bootstrap>", line 491, in _call_with_frames_removed
  File "/Users/sobolev/Desktop/cpython/Lib/test/test_concurrent_futures/test_deadlock.py", line 14, in <module>
    from .util import (
        create_executor_tests, setup_module,
        ProcessPoolForkMixin, ProcessPoolForkserverMixin, ProcessPoolSpawnMixin)
  File "/Users/sobolev/Desktop/cpython/Lib/test/test_concurrent_futures/util.py", line 87, in <module>
    class InterpreterPoolMixin(ExecutorMixin):
    ...<3 lines>...
            self.skipTest("InterpreterPoolExecutor doesn't support events")
  File "/Users/sobolev/Desktop/cpython/Lib/test/test_concurrent_futures/util.py", line 88, in InterpreterPoolMixin
    executor_type = futures.InterpreterPoolExecutor
                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/sobolev/Desktop/cpython/Lib/concurrent/futures/__init__.py", line 62, in __getattr__
    from .interpreter import InterpreterPoolExecutor
  File "/Users/sobolev/Desktop/cpython/Lib/concurrent/futures/interpreter.py", line 3, in <module>
    from concurrent import interpreters
  File "/Users/sobolev/Desktop/cpython/Lib/concurrent/interpreters/__init__.py", line 12, in <module>
    from ._queues import (
    ...<2 lines>...
    )
  File "/Users/sobolev/Desktop/cpython/Lib/concurrent/interpreters/_queues.py", line 49, in <module>
    UNBOUND = _crossinterp.UnboundItem.singleton('queue', __name__)
  File "/Users/sobolev/Desktop/cpython/Lib/concurrent/interpreters/_crossinterp.py", line 43, in singleton
    doc = cls.__doc__.replace('cross-interpreter container', kind)
          ^^^^^^^^^^^^^^^^^^^
AttributeError: 'NoneType' object has no attribute 'replace'

0:00:00 load avg: 2.18 [2/9/2] test_concurrent_futures.test_deadlock failed (uncaught exception)
0:00:00 load avg: 2.18 [3/9/2] test_concurrent_futures.test_future
test test_concurrent_futures.test_future crashed -- Traceback (most recent call last):
  File "/Users/sobolev/Desktop/cpython/Lib/test/libregrtest/single.py", line 210, in _runtest_env_changed_exc
    _load_run_test(result, runtests)
    ~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^
  File "/Users/sobolev/Desktop/cpython/Lib/test/libregrtest/single.py", line 155, in _load_run_test
    test_mod = importlib.import_module(module_name)
  File "/Users/sobolev/Desktop/cpython/Lib/importlib/__init__.py", line 88, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
           ~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "<frozen importlib._bootstrap>", line 1398, in _gcd_import
  File "<frozen importlib._bootstrap>", line 1371, in _find_and_load
  File "<frozen importlib._bootstrap>", line 1342, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 938, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 762, in exec_module
  File "<frozen importlib._bootstrap>", line 491, in _call_with_frames_removed
  File "/Users/sobolev/Desktop/cpython/Lib/test/test_concurrent_futures/test_future.py", line 11, in <module>
    from .util import (
    ...<2 lines>...
        BaseTestCase, create_future, setup_module)
  File "/Users/sobolev/Desktop/cpython/Lib/test/test_concurrent_futures/util.py", line 87, in <module>
    class InterpreterPoolMixin(ExecutorMixin):
    ...<3 lines>...
            self.skipTest("InterpreterPoolExecutor doesn't support events")
  File "/Users/sobolev/Desktop/cpython/Lib/test/test_concurrent_futures/util.py", line 88, in InterpreterPoolMixin
    executor_type = futures.InterpreterPoolExecutor
                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/sobolev/Desktop/cpython/Lib/concurrent/futures/__init__.py", line 62, in __getattr__
    from .interpreter import InterpreterPoolExecutor
  File "/Users/sobolev/Desktop/cpython/Lib/concurrent/futures/interpreter.py", line 3, in <module>
    from concurrent import interpreters
  File "/Users/sobolev/Desktop/cpython/Lib/concurrent/interpreters/__init__.py", line 12, in <module>
    from ._queues import (
    ...<2 lines>...
    )
  File "/Users/sobolev/Desktop/cpython/Lib/concurrent/interpreters/_queues.py", line 49, in <module>
    UNBOUND = _crossinterp.UnboundItem.singleton('queue', __name__)
  File "/Users/sobolev/Desktop/cpython/Lib/concurrent/interpreters/_crossinterp.py", line 43, in singleton
    doc = cls.__doc__.replace('cross-interpreter container', kind)
          ^^^^^^^^^^^^^^^^^^^
AttributeError: 'NoneType' object has no attribute 'replace'

0:00:00 load avg: 2.18 [3/9/3] test_concurrent_futures.test_future failed (uncaught exception)
0:00:00 load avg: 2.18 [4/9/3] test_concurrent_futures.test_init
test test_concurrent_futures.test_init crashed -- Traceback (most recent call last):
  File "/Users/sobolev/Desktop/cpython/Lib/test/libregrtest/single.py", line 210, in _runtest_env_changed_exc
    _load_run_test(result, runtests)
    ~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^
  File "/Users/sobolev/Desktop/cpython/Lib/test/libregrtest/single.py", line 155, in _load_run_test
    test_mod = importlib.import_module(module_name)
  File "/Users/sobolev/Desktop/cpython/Lib/importlib/__init__.py", line 88, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
           ~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "<frozen importlib._bootstrap>", line 1398, in _gcd_import
  File "<frozen importlib._bootstrap>", line 1371, in _find_and_load
  File "<frozen importlib._bootstrap>", line 1342, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 938, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 762, in exec_module
  File "<frozen importlib._bootstrap>", line 491, in _call_with_frames_removed
  File "/Users/sobolev/Desktop/cpython/Lib/test/test_concurrent_futures/test_init.py", line 15, in <module>
    from .util import ExecutorMixin, create_executor_tests, setup_module
  File "/Users/sobolev/Desktop/cpython/Lib/test/test_concurrent_futures/util.py", line 87, in <module>
    class InterpreterPoolMixin(ExecutorMixin):
    ...<3 lines>...
            self.skipTest("InterpreterPoolExecutor doesn't support events")
  File "/Users/sobolev/Desktop/cpython/Lib/test/test_concurrent_futures/util.py", line 88, in InterpreterPoolMixin
    executor_type = futures.InterpreterPoolExecutor
                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/sobolev/Desktop/cpython/Lib/concurrent/futures/__init__.py", line 62, in __getattr__
    from .interpreter import InterpreterPoolExecutor
  File "/Users/sobolev/Desktop/cpython/Lib/concurrent/futures/interpreter.py", line 3, in <module>
    from concurrent import interpreters
  File "/Users/sobolev/Desktop/cpython/Lib/concurrent/interpreters/__init__.py", line 12, in <module>
    from ._queues import (
    ...<2 lines>...
    )
  File "/Users/sobolev/Desktop/cpython/Lib/concurrent/interpreters/_queues.py", line 49, in <module>
    UNBOUND = _crossinterp.UnboundItem.singleton('queue', __name__)
  File "/Users/sobolev/Desktop/cpython/Lib/concurrent/interpreters/_crossinterp.py", line 43, in singleton
    doc = cls.__doc__.replace('cross-interpreter container', kind)
          ^^^^^^^^^^^^^^^^^^^
AttributeError: 'NoneType' object has no attribute 'replace'

0:00:00 load avg: 2.18 [4/9/4] test_concurrent_futures.test_init failed (uncaught exception)
0:00:00 load avg: 2.18 [5/9/4] test_concurrent_futures.test_interpreter_pool
test test_concurrent_futures.test_interpreter_pool crashed -- Traceback (most recent call last):
  File "/Users/sobolev/Desktop/cpython/Lib/test/libregrtest/single.py", line 210, in _runtest_env_changed_exc
    _load_run_test(result, runtests)
    ~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^
  File "/Users/sobolev/Desktop/cpython/Lib/test/libregrtest/single.py", line 155, in _load_run_test
    test_mod = importlib.import_module(module_name)
  File "/Users/sobolev/Desktop/cpython/Lib/importlib/__init__.py", line 88, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
           ~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "<frozen importlib._bootstrap>", line 1398, in _gcd_import
  File "<frozen importlib._bootstrap>", line 1371, in _find_and_load
  File "<frozen importlib._bootstrap>", line 1342, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 938, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 762, in exec_module
  File "<frozen importlib._bootstrap>", line 491, in _call_with_frames_removed
  File "/Users/sobolev/Desktop/cpython/Lib/test/test_concurrent_futures/test_interpreter_pool.py", line 10, in <module>
    from concurrent.futures.interpreter import BrokenInterpreterPool
  File "/Users/sobolev/Desktop/cpython/Lib/concurrent/futures/interpreter.py", line 3, in <module>
    from concurrent import interpreters
  File "/Users/sobolev/Desktop/cpython/Lib/concurrent/interpreters/__init__.py", line 12, in <module>
    from ._queues import (
    ...<2 lines>...
    )
  File "/Users/sobolev/Desktop/cpython/Lib/concurrent/interpreters/_queues.py", line 49, in <module>
    UNBOUND = _crossinterp.UnboundItem.singleton('queue', __name__)
  File "/Users/sobolev/Desktop/cpython/Lib/concurrent/interpreters/_crossinterp.py", line 43, in singleton
    doc = cls.__doc__.replace('cross-interpreter container', kind)
          ^^^^^^^^^^^^^^^^^^^
AttributeError: 'NoneType' object has no attribute 'replace'

0:00:00 load avg: 2.18 [5/9/5] test_concurrent_futures.test_interpreter_pool failed (uncaught exception)
0:00:00 load avg: 2.18 [6/9/5] test_concurrent_futures.test_process_pool
test test_concurrent_futures.test_process_pool crashed -- Traceback (most recent call last):
  File "/Users/sobolev/Desktop/cpython/Lib/test/libregrtest/single.py", line 210, in _runtest_env_changed_exc
    _load_run_test(result, runtests)
    ~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^
  File "/Users/sobolev/Desktop/cpython/Lib/test/libregrtest/single.py", line 155, in _load_run_test
    test_mod = importlib.import_module(module_name)
  File "/Users/sobolev/Desktop/cpython/Lib/importlib/__init__.py", line 88, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
           ~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "<frozen importlib._bootstrap>", line 1398, in _gcd_import
  File "<frozen importlib._bootstrap>", line 1371, in _find_and_load
  File "<frozen importlib._bootstrap>", line 1342, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 938, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 762, in exec_module
  File "<frozen importlib._bootstrap>", line 491, in _call_with_frames_removed
  File "/Users/sobolev/Desktop/cpython/Lib/test/test_concurrent_futures/test_process_pool.py", line 16, in <module>
    from .util import (
        ProcessPoolForkMixin, ProcessPoolForkserverMixin, ProcessPoolSpawnMixin,
        create_executor_tests, setup_module)
  File "/Users/sobolev/Desktop/cpython/Lib/test/test_concurrent_futures/util.py", line 87, in <module>
    class InterpreterPoolMixin(ExecutorMixin):
    ...<3 lines>...
            self.skipTest("InterpreterPoolExecutor doesn't support events")
  File "/Users/sobolev/Desktop/cpython/Lib/test/test_concurrent_futures/util.py", line 88, in InterpreterPoolMixin
    executor_type = futures.InterpreterPoolExecutor
                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/sobolev/Desktop/cpython/Lib/concurrent/futures/__init__.py", line 62, in __getattr__
    from .interpreter import InterpreterPoolExecutor
  File "/Users/sobolev/Desktop/cpython/Lib/concurrent/futures/interpreter.py", line 3, in <module>
    from concurrent import interpreters
  File "/Users/sobolev/Desktop/cpython/Lib/concurrent/interpreters/__init__.py", line 12, in <module>
    from ._queues import (
    ...<2 lines>...
    )
  File "/Users/sobolev/Desktop/cpython/Lib/concurrent/interpreters/_queues.py", line 49, in <module>
    UNBOUND = _crossinterp.UnboundItem.singleton('queue', __name__)
  File "/Users/sobolev/Desktop/cpython/Lib/concurrent/interpreters/_crossinterp.py", line 43, in singleton
    doc = cls.__doc__.replace('cross-interpreter container', kind)
          ^^^^^^^^^^^^^^^^^^^
AttributeError: 'NoneType' object has no attribute 'replace'

0:00:00 load avg: 2.18 [6/9/6] test_concurrent_futures.test_process_pool failed (uncaught exception)
0:00:00 load avg: 2.18 [7/9/6] test_concurrent_futures.test_shutdown
test test_concurrent_futures.test_shutdown crashed -- Traceback (most recent call last):
  File "/Users/sobolev/Desktop/cpython/Lib/test/libregrtest/single.py", line 210, in _runtest_env_changed_exc
    _load_run_test(result, runtests)
    ~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^
  File "/Users/sobolev/Desktop/cpython/Lib/test/libregrtest/single.py", line 155, in _load_run_test
    test_mod = importlib.import_module(module_name)
  File "/Users/sobolev/Desktop/cpython/Lib/importlib/__init__.py", line 88, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
           ~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "<frozen importlib._bootstrap>", line 1398, in _gcd_import
  File "<frozen importlib._bootstrap>", line 1371, in _find_and_load
  File "<frozen importlib._bootstrap>", line 1342, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 938, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 762, in exec_module
  File "<frozen importlib._bootstrap>", line 491, in _call_with_frames_removed
  File "/Users/sobolev/Desktop/cpython/Lib/test/test_concurrent_futures/test_shutdown.py", line 11, in <module>
    from .util import (
    ...<2 lines>...
        create_executor_tests, setup_module)
  File "/Users/sobolev/Desktop/cpython/Lib/test/test_concurrent_futures/util.py", line 87, in <module>
    class InterpreterPoolMixin(ExecutorMixin):
    ...<3 lines>...
            self.skipTest("InterpreterPoolExecutor doesn't support events")
  File "/Users/sobolev/Desktop/cpython/Lib/test/test_concurrent_futures/util.py", line 88, in InterpreterPoolMixin
    executor_type = futures.InterpreterPoolExecutor
                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/sobolev/Desktop/cpython/Lib/concurrent/futures/__init__.py", line 62, in __getattr__
    from .interpreter import InterpreterPoolExecutor
  File "/Users/sobolev/Desktop/cpython/Lib/concurrent/futures/interpreter.py", line 3, in <module>
    from concurrent import interpreters
  File "/Users/sobolev/Desktop/cpython/Lib/concurrent/interpreters/__init__.py", line 12, in <module>
    from ._queues import (
    ...<2 lines>...
    )
  File "/Users/sobolev/Desktop/cpython/Lib/concurrent/interpreters/_queues.py", line 49, in <module>
    UNBOUND = _crossinterp.UnboundItem.singleton('queue', __name__)
  File "/Users/sobolev/Desktop/cpython/Lib/concurrent/interpreters/_crossinterp.py", line 43, in singleton
    doc = cls.__doc__.replace('cross-interpreter container', kind)
          ^^^^^^^^^^^^^^^^^^^
AttributeError: 'NoneType' object has no attribute 'replace'

0:00:00 load avg: 2.18 [7/9/7] test_concurrent_futures.test_shutdown failed (uncaught exception)
0:00:00 load avg: 2.18 [8/9/7] test_concurrent_futures.test_thread_pool
test test_concurrent_futures.test_thread_pool crashed -- Traceback (most recent call last):
  File "/Users/sobolev/Desktop/cpython/Lib/test/libregrtest/single.py", line 210, in _runtest_env_changed_exc
    _load_run_test(result, runtests)
    ~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^
  File "/Users/sobolev/Desktop/cpython/Lib/test/libregrtest/single.py", line 155, in _load_run_test
    test_mod = importlib.import_module(module_name)
  File "/Users/sobolev/Desktop/cpython/Lib/importlib/__init__.py", line 88, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
           ~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "<frozen importlib._bootstrap>", line 1398, in _gcd_import
  File "<frozen importlib._bootstrap>", line 1371, in _find_and_load
  File "<frozen importlib._bootstrap>", line 1342, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 938, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 762, in exec_module
  File "<frozen importlib._bootstrap>", line 491, in _call_with_frames_removed
  File "/Users/sobolev/Desktop/cpython/Lib/test/test_concurrent_futures/test_thread_pool.py", line 12, in <module>
    from .util import BaseTestCase, ThreadPoolMixin, setup_module
  File "/Users/sobolev/Desktop/cpython/Lib/test/test_concurrent_futures/util.py", line 87, in <module>
    class InterpreterPoolMixin(ExecutorMixin):
    ...<3 lines>...
            self.skipTest("InterpreterPoolExecutor doesn't support events")
  File "/Users/sobolev/Desktop/cpython/Lib/test/test_concurrent_futures/util.py", line 88, in InterpreterPoolMixin
    executor_type = futures.InterpreterPoolExecutor
                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/sobolev/Desktop/cpython/Lib/concurrent/futures/__init__.py", line 62, in __getattr__
    from .interpreter import InterpreterPoolExecutor
  File "/Users/sobolev/Desktop/cpython/Lib/concurrent/futures/interpreter.py", line 3, in <module>
    from concurrent import interpreters
  File "/Users/sobolev/Desktop/cpython/Lib/concurrent/interpreters/__init__.py", line 12, in <module>
    from ._queues import (
    ...<2 lines>...
    )
  File "/Users/sobolev/Desktop/cpython/Lib/concurrent/interpreters/_queues.py", line 49, in <module>
    UNBOUND = _crossinterp.UnboundItem.singleton('queue', __name__)
  File "/Users/sobolev/Desktop/cpython/Lib/concurrent/interpreters/_crossinterp.py", line 43, in singleton
    doc = cls.__doc__.replace('cross-interpreter container', kind)
          ^^^^^^^^^^^^^^^^^^^
AttributeError: 'NoneType' object has no attribute 'replace'

0:00:00 load avg: 2.18 [8/9/8] test_concurrent_futures.test_thread_pool failed (uncaught exception)
0:00:00 load avg: 2.18 [9/9/8] test_concurrent_futures.test_wait
test test_concurrent_futures.test_wait crashed -- Traceback (most recent call last):
  File "/Users/sobolev/Desktop/cpython/Lib/test/libregrtest/single.py", line 210, in _runtest_env_changed_exc
    _load_run_test(result, runtests)
    ~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^
  File "/Users/sobolev/Desktop/cpython/Lib/test/libregrtest/single.py", line 155, in _load_run_test
    test_mod = importlib.import_module(module_name)
  File "/Users/sobolev/Desktop/cpython/Lib/importlib/__init__.py", line 88, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
           ~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "<frozen importlib._bootstrap>", line 1398, in _gcd_import
  File "<frozen importlib._bootstrap>", line 1371, in _find_and_load
  File "<frozen importlib._bootstrap>", line 1342, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 938, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 762, in exec_module
  File "<frozen importlib._bootstrap>", line 491, in _call_with_frames_removed
  File "/Users/sobolev/Desktop/cpython/Lib/test/test_concurrent_futures/test_wait.py", line 8, in <module>
    from .util import (
    ...<4 lines>...
        ProcessPoolForkMixin, ProcessPoolForkserverMixin, ProcessPoolSpawnMixin)
  File "/Users/sobolev/Desktop/cpython/Lib/test/test_concurrent_futures/util.py", line 87, in <module>
    class InterpreterPoolMixin(ExecutorMixin):
    ...<3 lines>...
            self.skipTest("InterpreterPoolExecutor doesn't support events")
  File "/Users/sobolev/Desktop/cpython/Lib/test/test_concurrent_futures/util.py", line 88, in InterpreterPoolMixin
    executor_type = futures.InterpreterPoolExecutor
                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/sobolev/Desktop/cpython/Lib/concurrent/futures/__init__.py", line 62, in __getattr__
    from .interpreter import InterpreterPoolExecutor
  File "/Users/sobolev/Desktop/cpython/Lib/concurrent/futures/interpreter.py", line 3, in <module>
    from concurrent import interpreters
  File "/Users/sobolev/Desktop/cpython/Lib/concurrent/interpreters/__init__.py", line 12, in <module>
    from ._queues import (
    ...<2 lines>...
    )
  File "/Users/sobolev/Desktop/cpython/Lib/concurrent/interpreters/_queues.py", line 49, in <module>
    UNBOUND = _crossinterp.UnboundItem.singleton('queue', __name__)
  File "/Users/sobolev/Desktop/cpython/Lib/concurrent/interpreters/_crossinterp.py", line 43, in singleton
    doc = cls.__doc__.replace('cross-interpreter container', kind)
          ^^^^^^^^^^^^^^^^^^^
AttributeError: 'NoneType' object has no attribute 'replace'

0:00:00 load avg: 2.18 [9/9/9] test_concurrent_futures.test_wait failed (uncaught exception)

== Tests result: FAILURE ==

9 tests failed:
    test_concurrent_futures.test_as_completed
    test_concurrent_futures.test_deadlock
    test_concurrent_futures.test_future
    test_concurrent_futures.test_init
    test_concurrent_futures.test_interpreter_pool
    test_concurrent_futures.test_process_pool
    test_concurrent_futures.test_shutdown
    test_concurrent_futures.test_thread_pool
    test_concurrent_futures.test_wait

Total duration: 213 ms
Total tests: run=0
Total test files: run=9/9 failed=9
Result: FAILURE