Errors in launching the conversation mode

[dennisgu]

Hi all, is there any one ever met this issue with output as below, to run gui.py and, in conversation mode:

python2.7 /root/src/git-repos/asr/speaker-recognition/src/gui/gui.py No module named bob Warning: failed to import Bob, will use a slower version of MFCC instead. Warning: failed to import fast-gmm, use gmm from scikit-learn instead avatar/ltz.jpg ltz avatar/zxy.jpg zxy avatar/doubao.jpg doubao avatar/wyx.jpg wyx ALSA lib pcm.c:2266:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.rear ALSA lib pcm.c:2266:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.center_lfe ALSA lib pcm.c:2266:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.side ALSA lib pcm_route.c:867:(find_matching_chmap) Found no matching channel map Cannot connect to server socket err = No such file or directory Cannot connect to server request channel jack server is not running or cannot be started JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for 4294967295, skipping unlock JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for 4294967295, skipping unlock Traceback (most recent call last): File "/root/src/git-repos/asr/speaker-recognition/src/gui/gui.py", line 188, in do_conversation signal = self.backend.filter(Main.FS, signal) File "/root/src/git-repos/asr/speaker-recognition/src/gui/interface.py", line 47, in filter ret, intervals = self.vad.filter(fs, signal) File "/root/src/git-repos/asr/speaker-recognition/src/gui/filters/VAD.py", line 29, in filter raise "NoiseFilter Not Initialized" TypeError: exceptions must be old-style classes or derived from BaseException, not str

exceptions must be old-style classes or derived from BaseException, not str None label to show

someone who could help me? thanks in advance.

system configuration: Ubuntu 16.04, python 2.7 (debugged in PyCharm Community v2017.2.4) i7 7700K, 16GB audio: USB headset with mic built in.