OSError: [Errno -9985] Device unavailable

[lordlouckster]

Traceback (most recent call last):
  File "__init__.py", line 94, in <module>
    main()
  File "__init__.py", line 89, in main
    processor = AudioProcessor()
  File "__init__.py", line 40, in __init__
    self.audio_frame_provider = get_frame_provider(microphone)
  File "__init__.py", line 29, in get_frame_provider
    return MicrophoneFrameProvider(SAMPLE_RATE, SAMPLES_PER_FRAME)
  File "C:\Users\Admin\Downloads\offkeyboard-windows-master\offkeyboard-windows-master\offkeyboard\frame_provider.py", line 33, in __init__
    self.stream = pyaudio.PyAudio().open(
  File "C:\Users\Admin\AppData\Local\Programs\Python\Python38\lib\site-packages\pyaudio.py", line 750, in open
    stream = Stream(self, *args, **kwargs)
  File "C:\Users\Admin\AppData\Local\Programs\Python\Python38\lib\site-packages\pyaudio.py", line 441, in __init__
    self._stream = pa.open(**arguments)
OSError: [Errno -9985] Device unavailable