Ignore that issue, is not correct. This is the error:

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ERROR: test_communicate (test.test_asyncio.test_subprocess.SubprocessMultiLoopWatcherTests)
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Traceback (most recent call last):
  File "/usr/home/buildbot/python/3.8.koobs-freebsd-564d/build/Lib/test/test_asyncio/test_subprocess.py", line 147, in test_communicate
    exitcode, stdout = self.loop.run_until_complete(task)
  File "/usr/home/buildbot/python/3.8.koobs-freebsd-564d/build/Lib/asyncio/base_events.py", line 608, in run_until_complete
    return future.result()
  File "/usr/home/buildbot/python/3.8.koobs-freebsd-564d/build/Lib/asyncio/tasks.py", line 490, in wait_for
    raise exceptions.TimeoutError()
asyncio.exceptions.TimeoutError
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