code: def test_clip_subclip(
      duration, start_time, end_time, expected_duration
  ):
      if duration is None:
          clip = ColorClip(color=(255, 0, 0), size=(2, 2)).with_fps(1)
      else:
          clip = BitmapClip(
              [["RR", "GG"] for _ in range(duration)], fps=1
          )
  
      if hasattr(expected_duration, "__traceback__"):
          with pytest.raises(expected_duration):
              clip.subclip(start_time=start_time, end_time=end_time)
      else:
          sub_clip = clip.subclip(
              start_time=start_time, end_time=end_time
          )
          assert sub_clip.duration == expected_duration
  
file_path: moviepy/tests/test_Clip.py
imports: import copy
  import numpy
  import pytest
  from moviepy.Clip import Clip
  from moviepy.video.VideoClip import BitmapClip, ColorClip
label_desc: Use image node_id 7 for calling a global function with example usage: test_clip_subclip(duration, start_time, end_time, expected_duration) without return types