Animation flickering about play-button HOT 5 OPEN

import UIKit
import PlayButton

class ViewController: UIViewController {
  lazy var playButton: PlayButton = {
    let playButton = PlayButton()
    playButton.addAction(.init(handler: { [weak self] _ in
      guard let self = self else { return }
      if (playButton.isPlay) {
        playButton.setMode(.pause, animated: true)
      } else {
        playButton.setMode(.play, animated: true)
      }
    }), for: .touchUpInside)
    return playButton
  }()

  override func viewDidLoad() {
    super.viewDidLoad()
    
    view.addSubview(playButton)
    playButton.translatesAutoresizingMaskIntoConstraints = false
    playButton.centerYAnchor.constraint(equalTo: view.centerYAnchor).isActive = true
  }
}