code: def remove_tween(self, tween):
          remove given tween without completing the motion or firing the on_complete"""
          if tween.target in self.current_tweens and tween in self.current_tweens[tween.target]:
              self.current_tweens[tween.target].remove(tween)
              if not self.current_tweens[tween.target]:
                  del self.current_tweens[tween.target]
docs: remove given tween without completing the motion or firing the on_complete