code: def load_segments(segments_file):
      """Load segments file as array."""
      if not os.path.exists(segments_file):
          return None
      return np.loadtxt(
          segments_file,
          dtype=[
              ("utt", "object"),
              ("rec", "object"),
              ("st", "f"),
              ("et", "f"),
          ],
          ndmin=1,
      )
  
imports: from __future__ import print_function
  import io
  import os
  import subprocess
  import sys
  from functools import lru_cache
  import numpy
  import soundfile
label_desc: Use image node_id 1 for calling a global function with example usage: load_segments(segments_file) and returns: np, None