QTreeWidgetItem 显示checkbox

from PyQt5 import QtCore, QtGui
from PyQt5.QtGui import QIcon
from PyQt5.QtWidgets import *
from PyQt5 import uic
from pyqtgraph.dockarea import *
import pyqtgraph as pg
from sklearn.ensemble import RandomForestClassifier
from sklearn import metrics
from skimage.feature import hog
from joblib import Parallel, delayed
import pandas as pd
import os
import pickle
import json
import bson
from PyQt5.QtCore import *
from PyQt5.QtGui import *
import re

 

twi.setCheckState(0, Qt.Unchecked)