code: def load_downbeats(filename):
      """
      Load the downbeats from the given file.
  
      Parameters
      ----------
      filename : str or file handle
          File to load the downbeats from.
  
      Returns
      -------
      numpy array
          Downbeats.
  
      """
      return load_beats(filename, downbeats=True)
  
imports: from __future__ import absolute_import, division, print_function
  import contextlib
  import io
  import numpy
  from .audio import load_audio_file
  from .midi import load_midi, write_midi
  from ..utils import suppress_warnings, string_types
label_desc: Use image node_id 6 for calling a global function with example usage: load_downbeats(filename) and returns: load_beats