code: def composeCenter(clip):  # noqa D103
      return CompositeVideoClip(
          [clip.set_pos("center")], size=moviesize
      )
  
imports: import numpy
  from skimage import transform
  from moviepy import *
  from moviepy.video.tools.drawing import color_gradient
label_desc: Use image node_id 4 for calling a global function with example usage: composeCenter(clip) and returns: CompositeVideoClip