nikoś.py

import sys
import cv2  # OpenCV
from anytree.dotexport import RenderTreeGraph
from anytree.importer import DictImporter
importer = DictImporter()

def show(self) -> None:
        data = self.root.to_dict()
        tree_root = importer.import_(data)
        RenderTreeGraph(tree_root).to_picture("tree.png")
        img = cv2.imread("tree.png", cv2.IMREAD_ANYCOLOR)
        cv2.imshow("tree", img)
        cv2.waitKey(0)
        sys.exit()