Decrease output to stdout about arsenic HOT 3 OPEN

    service = services.Geckodriver(log_file=os.devnull)
    async with get_session(Geckodriver(service), Firefox()) as session:

Traceback (most recent call last):
  File "all_in_one.py", line 325, in pushka
    await parser()
  File "all_in_one.py", line 371, in parser
    async with get_session(Geckodriver(service), Firefox()) as session:
  File "/usr/local/lib/python3.7/dist-packages/arsenic/__init__.py", line 16, in __aenter__
    self.session = await start_session(self.service, self.browser, self.bind)
  File "/usr/local/lib/python3.7/dist-packages/arsenic/__init__.py", line 28, in start_session
    driver = await service.start()
  File "/usr/local/lib/python3.7/dist-packages/arsenic/services.py", line 96, in start
    self.log_file,
  File "/usr/local/lib/python3.7/dist-packages/arsenic/services.py", line 34, in subprocess_based_service
    process = await impl.start_process(cmd, log_file)
  File "/usr/local/lib/python3.7/dist-packages/arsenic/subprocess.py", line 57, in start_process
    *cmd, stdout=log_file, stderr=log_file, stdin=DEVNULL
  File "/usr/lib/python3.7/asyncio/subprocess.py", line 217, in create_subprocess_exec
    stderr=stderr, **kwds)
  File "/usr/lib/python3.7/asyncio/base_events.py", line 1533, in subprocess_exec
    bufsize, **kwargs)
  File "/usr/lib/python3.7/asyncio/unix_events.py", line 190, in _make_subprocess_transport
    **kwargs)
  File "/usr/lib/python3.7/asyncio/base_subprocess.py", line 37, in __init__
    stderr=stderr, bufsize=bufsize, **kwargs)
  File "/usr/lib/python3.7/asyncio/unix_events.py", line 763, in _start
    universal_newlines=False, bufsize=bufsize, **kwargs)
  File "/usr/lib/python3.7/subprocess.py", line 728, in __init__
    errread, errwrite) = self._get_handles(stdin, stdout, stderr)
  File "/usr/lib/python3.7/subprocess.py", line 1359, in _get_handles
    c2pwrite = stdout.fileno()
AttributeError: 'Geckodriver' object has no attribute 'fileno'