cannot unhook a class method

[redstoneleo]

double click to give a test

from PyQt5.QtCore import *
from PyQt5.QtGui import *
from PyQt5.QtWidgets import *

import subprocess
import os
import sys
import threading
import mouse

class Window(QMainWindow):

    def __init__(self, parent=None, **kwargs):
        super().__init__(parent, **kwargs)
        self.resize(800, 600)

        mouse.on_click(self.setUpSearchBar)
        mouse.on_double_click(lambda: mouse.unhook(self.setUpSearchBar))

    def setUpSearchBar(self):
        self.toolBar = QToolBar()


if __name__ == "__main__":

    app = QApplication(sys.argv)
    webEngineView = Window()
    webEngineView.show()
    sys.exit(app.exec_())

Exception :

Traceback (most recent call last):
  File "C:\Users\i\AppData\Local\Programs\Python\Python38\lib\site-packages\mouse\_generic.py", line 23, in invoke_handlers
    if handler(event):
  File "C:\Users\i\AppData\Local\Programs\Python\Python38\lib\site-packages\mouse\__init__.py", line 169, in handler
    callback(*args)
  File "K:\BaiduYunDownload\programming\Python\PyQt_test.py", line 18, in <lambda>
    mouse.on_double_click(lambda: mouse.unhook(self.setUpSearchBar))
  File "C:\Users\i\AppData\Local\Programs\Python\Python38\lib\site-packages\mouse\__init__.py", line 234, in unhook
    _listener.remove_handler(callback)
  File "C:\Users\i\AppData\Local\Programs\Python\Python38\lib\site-packages\mouse\_generic.py", line 76, in remove_handler
    self.handlers.remove(handler)
ValueError: list.remove(x): x not in list