---------------------------------------------------------------------------
IOError                                   Traceback (most recent call last)
<ipython-input-23-d8f05400579d> in <module>()
      8 #     pass
      9 # box.speaker.queue('/home/bird/Desktop/test48k.wav')
---> 10 box.speaker.queue('/home/bird/2sec_noise_65dbmean.wav')
     11 box.speaker.play()
     12 time.sleep(2.0)
/local/home/bird/Code/pyoperant/pyoperant/hwio.pyc in queue(self, wav_filename)
     93 
     94     def queue(self,wav_filename):
---> 95         return self.interface._queue_wav(wav_filename)
     96 
     97     def play(self):
/local/home/bird/Code/pyoperant/pyoperant/interfaces/pyaudio_.pyc in _queue_wav(self, wav_file, start)
     55     def _queue_wav(self,wav_file,start=False):
     56         self._wf = wave.open(wav_file)
---> 57         self._get_stream(start=start)
     58 
     59     def _play_wav(self):
/local/home/bird/Code/pyoperant/pyoperant/interfaces/pyaudio_.pyc in _get_stream(self, start)
     51                                    output_device_index=self.device_index,
     52                                    start=start,
---> 53                                    stream_callback=_callback)
     54 
     55     def _queue_wav(self,wav_file,start=False):
/usr/local/anaconda/lib/python2.7/site-packages/pyaudio.pyc in open(self, *args, **kwargs)
    745         """
    746 
--> 747         stream = Stream(self, *args, **kwargs)
    748         self._streams.add(stream)
    749         return stream
/usr/local/anaconda/lib/python2.7/site-packages/pyaudio.pyc in __init__(self, PA_manager, rate, channels, format, input, output, input_device_index, output_device_index, frames_per_buffer, start, input_host_api_specific_stream_info, output_host_api_specific_stream_info, stream_callback)
    440 
    441         # calling pa.open returns a stream object
--> 442         self._stream = pa.open(**arguments)
    443 
    444         self._input_latency = self._stream.inputLatency
IOError: [Errno Device unavailable] -9985