code: def main():
      args = get_args()
      xvectors, segments, labels, plda_psi = read_args(args)
  
      seg2label_vb = vb_hmm(
          segments,
          labels,
          xvectors,
          plda_psi,
          args.init_smoothing,
          args.loop_prob,
          args.fa,
          args.fb,
      )
      write_labels_file(seg2label_vb, args.output_label_file)
  
file_path: espnet/egs/libri_css/asr1/diarization/vb_hmm_xvector.py
imports: import argparse
  import kaldi_io
  import numpy
  import VB_diarization
  from scipy.special import softmax
label_desc: Use image node_id 6 for calling a global function with example usage: main() without return types