code: def test_issue_416():
      # ColorClip has no fps attribute.
      green = ColorClip((640, 480), color=(0, 255, 0)).with_duration(2)
      video1 = concatenate_videoclips([green])
      assert video1.fps is None
  
imports: import os
  import pytest
  from moviepy.audio.io.AudioFileClip import AudioFileClip
  from moviepy.video.compositing.CompositeVideoClip import CompositeVideoClip
  from moviepy.video.compositing.concatenate import concatenate_videoclips
  from moviepy.video.compositing.transitions import crossfadein, crossfadeout
  from moviepy.video.fx.resize import resize
  from moviepy.video.io.VideoFileClip import VideoFileClip
  from moviepy.video.VideoClip import ColorClip, ImageClip, VideoClip
label_desc: Use image node_id 9 for calling a global function with example usage: test_issue_416() without return types