wowopo

This problem reason: pyAudioAnalysis update method stFeatureExtraction to return two value. How to fix: modify `F by F[0]` -> `Fglobal.append(np.concatenate((np.mean(F[0],axis=1),np.std(F[0],axis=1))))` Sorry for my bad english.

firefox我用的这个，关闭检查 `profile.accept_untrusted_certs = True`