def __or__(self, other):
        """
        Implement the or (self | other) to produce a video with self and other
        placed side by side horizontally.
        """
        if isinstance(other, VideoClip):
            from moviepy.video.compositing.CompositeVideoClip import clips_array

            return clips_array([[self, other]])
        return super(VideoClip, self).__or__(other)

        Implement the or (self | other) to produce a video with self and other
        placed side by side horizontally.
        
moviepy/video/VideoClip.py