Connect google assistant API

I tried to connect Google assistant API with my PC, but there is an error, does anyone know how to fix this? Thank you so much!
command:

!googlesamples-assistant-pushtotalk --project-id vabtest-c7e6b --device-model-id vabtest-c7e6b-melody-96arqx

error:

INFO:root:Connecting to embeddedassistant.googleapis.com
Traceback (most recent call last):
  File "/usr/local/bin/googlesamples-assistant-pushtotalk", line 8, in <module>
    sys.exit(main())
  File "/usr/local/lib/python3.7/dist-packages/click/core.py", line 829, in __call__
    return self.main(*args, **kwargs)
  File "/usr/local/lib/python3.7/dist-packages/click/core.py", line 782, in main
    rv = self.invoke(ctx)
  File "/usr/local/lib/python3.7/dist-packages/click/core.py", line 1066, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/usr/local/lib/python3.7/dist-packages/click/core.py", line 610, in invoke
    return callback(*args, **kwargs)
  File "/usr/local/lib/python3.7/dist-packages/googlesamples/assistant/grpc/pushtotalk.py", line 351, in main
    flush_size=audio_flush_size
  File "/usr/local/lib/python3.7/dist-packages/googlesamples/assistant/grpc/audio_helpers.py", line 190, in __init__
    blocksize=int(block_size/2),  # blocksize is in number of frames.
  File "/usr/local/lib/python3.7/dist-packages/sounddevice.py", line 1345, in __init__
    **_remove_self(locals()))
  File "/usr/local/lib/python3.7/dist-packages/sounddevice.py", line 762, in __init__
    samplerate)
  File "/usr/local/lib/python3.7/dist-packages/sounddevice.py", line 2571, in _get_stream_parameters
    info = query_devices(device)
  File "/usr/local/lib/python3.7/dist-packages/sounddevice.py", line 569, in query_devices
    raise PortAudioError('Error querying device {0}'.format(device))
sounddevice.PortAudioError: Error querying device -1