code: def test_load_file_with_comments_and_empty_lines(self):
      events = load_events(pj(DATA_PATH, "commented_txt"))
      self.assertTrue(np.allclose(events, [1.1, 2.1]))
  
imports: from __future__ import absolute_import, division, print_function
  import unittest
  from os.path import join, join
  from madmom.io import *
  from madmom.io import load_beats, load_key, load_notes, load_onsets, load_tempo
  from tests import ANNOTATIONS_PATH, DETECTIONS_PATH
  from .None import DATA_PATH
label_desc: Use image node_id 3 for calling the TestLoadEventsFunction obj's underlying member method code with example usage: obj.test_load_file_with_comments_and_empty_lines() without return types