OSError: [WinError -2147221008] 尚未调用 CoInitialize

Python写Monkey代码中，总是提示报错，
Can not load UIAutomationCore.dll.
You may need to install Windows Update KB971513.
https://github.com/yinkaisheng/WindowsUpdateKB971513ForIUIAutomation
Exception in thread Thread-1:
Traceback (most recent call last):
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python36\lib\threading.py", line 916, in _bootstrap_inner
self.run()
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python36\lib\threading.py", line 864, in run
self._target(*self._args, **self._kwargs)
File "E:/PythonTest/WoniuCBT_FrameWorkV1/mokeytesting/smart_monkey.py", line 94, in start_test
self.random_press()
File "E:/PythonTest/WoniuCBT_FrameWorkV1/mokeytesting/smart_monkey.py", line 69, in random_press
x, y= self.random_pos()
File "E:/PythonTest/WoniuCBT_FrameWorkV1/mokeytesting/smart_monkey.py", line 25, in random_pos
pygame.Rect = window.BoundingRectangle #生成上下左右边界位置 生成Rect对象
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python36\lib\site-packages\uiautomation\uiautomation.py", line 5324, in BoundingRectangle
rect = self.Element.CurrentBoundingRectangle
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python36\lib\site-packages\uiautomation\uiautomation.py", line 5635, in Element
self.Refind(maxSearchSeconds=TIME_OUT_SECOND, searchIntervalSeconds=self.searchWaitTime)
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python36\lib\site-packages\uiautomation\uiautomation.py", line 5855, in Refind
if not self.Exists(maxSearchSeconds, searchIntervalSeconds, False if raiseException else DEBUG_EXIST_DISAPPEAR):
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python36\lib\site-packages\uiautomation\uiautomation.py", line 5805, in Exists
control = FindControl(self.searchFromControl, self._CompareFunction, self.searchDepth, False, self.foundIndex)
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python36\lib\site-packages\uiautomation\uiautomation.py", line 7614, in FindControl
control = GetRootControl()
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python36\lib\site-packages\uiautomation\uiautomation.py", line 7397, in GetRootControl
return Control.CreateControlFromElement(_AutomationClient.instance().IUIAutomation.GetRootElement())
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python36\lib\site-packages\uiautomation\uiautomation.py", line 50, in instance
cls._instance = cls()
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python36\lib\site-packages\uiautomation\uiautomation.py", line 61, in __init__
raise ex
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python36\lib\site-packages\uiautomation\uiautomation.py", line 56, in __init__
self.IUIAutomation = comtypes.client.CreateObject("{ff48dba4-60ef-4201-aa87-54103eef594e}", interface=self.UIAutomationCore.IUIAutomation)
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python36\lib\site-packages\comtypes\client\__init__.py", line 238, in CreateObject
obj = comtypes.CoCreateInstance(clsid, clsctx=clsctx, interface=interface)
File "C:\Users\Administrator\AppData\Local\Programs\Python\Python36\lib\site-packages\comtypes\__init__.py", line 1225, in CoCreateInstance
_ole32.CoCreateInstance(byref(clsid), punkouter, clsctx, byref(iid), byref(p))
File "_ctypes/callproc.c", line 918, in GetResult
OSError: [WinError -2147221008] 尚未调用 CoInitialize。


不知道什么原因，请各位大虾帮忙看看？

# -*- coding: utf-8 -*-

from comtypes import CoInitialize, CoUninitialize

from pymouse import PyMouse

from pykeyboard import PyKeyboard

import uiautomation,random,time,os

from PIL import ImageGrab

import os,time,subprocess

import threading,win32gui

import pygame





#创建一只聪明的猴子

class MokeyTestSmart:



         def __init__(self):

              self.mouse = PyMouse()

              self.keyboard = PyKeyboard()

              self.sleep_time = 0.5



         #生成随机坐标

         def random_pos(self):

              #利用UIAutomation获取窗口位置，然后依据这个值生成随机坐标,确保我们的monkey所有操作都是在应用窗口内完成

              window = uiautomation.WindowControl(searchDepth=1, ClassName='Notepad')



              pygame.Rect = window.BoundingRectangle   #生成上下左右边界位置 生成Rect对象

              #生成当前窗口内的坐标

              x = random.randint(pygame.Rect.left, pygame.Rect.right) #对应left right top bottom

              y = random.randint(pygame.Rect.top, pygame.Rect.bottom)



              self.mouse.move(x, y)

              return x, y



         #模拟鼠标单击操作

         def random_click(self):

                x, y = self.random_pos()

                self.mouse.click(x,y)



                print("在位置[%d:%d]进行单击操作."%(x,y))

                time.sleep(self.sleep_time)



          #模拟鼠标双击操作

         def random_double_click(self):

              x, y = self.random_pos()

              self.mouse.click(x=y,y=y,button=1,n=2)



              print("在位置[%d:%d]进行双击操作."%(x,y))

              time.sleep(self.sleep_time)



          #模拟鼠标右击操作

         def random_right_click(self):

              x, y = self.random_pos()

              self.mouse.click(x,y,2)



              print("在位置[%d:%d]进行右键操作."%(x,y))

              time.sleep(self.sleep_time)



          #模拟随机输入

         def random_input(self):

              x, y=self.random_pos()

              content = ['Woniuxy','abcedef','Good Afternoon','Automation','123456','123.45','2019-01-13']

              random_content = self.get_random_list(content)

              self.mouse.click(x,y)

              self.keyboard.type_string(random_content) #输入文字信息

              print("在位置[%d:%d]处输入内容:%s"%(x,y,random_content))

              time.sleep(self.sleep_time)



          #模拟随机按键操作

         def random_press(self):

                x, y= self.random_pos()

                key_list = [self.keyboard.end_key,self.keyboard.control_key,self.keyboard.alt_key,self.keyboard.backspace_key]

                random_key = self.get_random_list(key_list)

                self.keyboard.press_key(random_key)

                self.keyboard.release_key(random_key)

                print("在位置[%d:%d]处进行按键操作."%(x,y))

                time.sleep(self.sleep_time)



      #启动一个应用程序，并完成Monkey测试

         def start_test(self,execute,count):

                # 执行命令时，使用"start /b"表示在后台运行，不阻塞运行线程

                os.system("start /b "+ execute)

                time.sleep(5)

                for i in range(count):

                     # 生成一个随机数，用于决定运行哪个操作

                     seed = random.randint(0,count)

                     if seed <= count * 0.2:

                         self.random_click()

                     elif seed <= count * 0.4:

                         self.random_double_click()

                     elif seed <= count * 0.6:

                          self.random_input()

                     elif seed <= count * 0.8:

                          self.random_right_click()

                     else:

                         self.random_press()

                #停止进程

                os.system("taskkill /f /im note.exe")



          #公共调用函数 针对list随机取值

         def get_random_list(self,args):

               random_index = random.randint(0,10000)%len(args)

               return args[random_index]



         #间隔一定时间来截图，检查进程，并且窗口置顶

         def check_runtime(self,interval):

             time.sleep(10)

             while True:

                 tasklist = str(subprocess.check_output("tasklist"))

                 if "notepad.exe" in tasklist:

                       print("检查进程:程序还在运行中。")

                       try:

                           # win32gui.FindWindow(window)

                           window = uiautomation.WindowControl(searchDepth=1,ClassName="Notepad")

                           uiautomation.SetForegroundWindow(win32gui.FindWindow("Notepad",None))



                       except:

                           print('检查进程:程序已停止运行.')

                           break

                       #截图

                       now = time.strftime("%Y%m%d_%H%M%S",time.localtime())

                       screen_path = os.path.join(os.getcwd(),'screenshot\\%s_monkey.png'%now)

                       ImageGrab.grab().save(screen_path)

                       time.sleep(3)

                 else:

                     print("检查进程:程序已停止运行.")

                     break



if __name__ == '__main__':



      monkey = MokeyTestSmart()

      time.sleep(2)

      # monkey.start_test('notepad.exe',1)

      threads = []

      threads.append(threading.Thread(target=monkey.start_test,args=('notepad.exe',2)))

      threads.append(threading.Thread(target=monkey.check_runtime,args=(2,)))



      CoInitialize()

      for t in threads:

          t.setDaemon(True)  #设置子线程为守护线程

          CoInitialize()

          t.start()

      for t in threads:

          t.join()  #阻塞主线程，让主线程阻塞总时长=其中运行最长时间的子线程的时长



      print("主线程执行结束。")