code: def format_kaldi_vector(vector):
      """Print a vector in Kaldi format."""
      return "[ " + " ".join([str(val) for val in vector]) + " ]"
  
file_path: delta/delta/utils/postprocess/speaker_cls_proc.py
imports: import os
  import collections
  import numpy
  from absl import logging
  from kaldiio import WriteHelper
  from delta.utils.postprocess.base_postproc import PostProc
  from delta.utils.register import registers
label_desc: Use image node_id 1 for calling a global function with example usage: format_kaldi_vector(vector) and returns: unknown