Executei o script e deu um erro:
python -tt scripts.py
Traceback (most recent call last):
  File "scripts.py", line 51, in <module>
    asyncio.run(main())
  File "C:\Python\Python37\lib\asyncio\runners.py", line 43, in run
    return loop.run_until_complete(main)
  File "C:\Python\Python37\lib\asyncio\base_events.py", line 584, in run_until_complete
    return future.result()
  File "scripts.py", line 42, in main
    p = await asyncio.create_subprocess_exec(sys.executable, script)
  File "C:\Python\Python37\lib\asyncio\subprocess.py", line 217, in create_subprocess_exec
    stderr=stderr, **kwds)
  File "C:\Python\Python37\lib\asyncio\base_events.py", line 1533, in subprocess_exec
    bufsize, **kwargs)
  File "C:\Python\Python37\lib\asyncio\base_events.py", line 463, in _make_subprocess_transport
    raise NotImplementedError
NotImplementedErrorExecutei o script e deu um erro:
python -tt scripts.py
Traceback (most recent call last):
  File "scripts.py", line 51, in <module>
    asyncio.run(main())
  File "C:\Python\Python37\lib\asyncio\runners.py", line 43, in run
    return loop.run_until_complete(main)
  File "C:\Python\Python37\lib\asyncio\base_events.py", line 584, in run_until_complete
    return future.result()
  File "scripts.py", line 42, in main
    p = await asyncio.create_subprocess_exec(sys.executable, script)
  File "C:\Python\Python37\lib\asyncio\subprocess.py", line 217, in create_subprocess_exec
    stderr=stderr, **kwds)
  File "C:\Python\Python37\lib\asyncio\base_events.py", line 1533, in subprocess_exec
    bufsize, **kwargs)
  File "C:\Python\Python37\lib\asyncio\base_events.py", line 463, in _make_subprocess_transport
    raise NotImplementedError
NotImplementedError