Python text-to-speech problem

import sys

reload(sys)
sys.setdefaultencoding("utf8")
import pyttsx
engine = pyttsx.init()
engine.say("hello world")
engine.runAndWait()

this error occurred when I tried to convert the output voice using pyttsy 

C:\Python27\python.exe D:/python/ccc.py
Traceback (most recent call last):
  File "D:/python/ccc.py", line 6, in <module>
    engine = pyttsx.init()
    
  File "C:\Python27\lib\site-packages\pyttsx\__init__.py", line 39, in init
    eng = Engine(driverName, debug)
   
  File "C:\Python27\lib\site-packages\pyttsx\engine.py", line 45, in __init__
    self.proxy = driver.DriverProxy(weakref.proxy(self), driverName, debug)
    
  File "C:\Python27\lib\site-packages\pyttsx\driver.py", line 66, in __init__
    self._driver = self._module.buildDriver(weakref.proxy(self))
    
  File "C:\Python27\lib\site-packages\pyttsx\drivers\sapi5.py", line 37, in buildDriver
    return SAPI5Driver(proxy)
    
  File "C:\Python27\lib\site-packages\pyttsx\drivers\sapi5.py", line 41, in __init__
    self._tts = win32com.client.Dispatch("SAPI.SPVoice")
    
  File "C:\Python27\lib\site-packages\win32com\client\__init__.py", line 95, in Dispatch
    dispatch, userName = dynamic._GetGoodDispatchAndUserName(dispatch,userName,clsctx)
    
  File "C:\Python27\lib\site-packages\win32com\client\dynamic.py", line 114, in _GetGoodDispatchAndUserName

    return (_GetGoodDispatch(IDispatch, clsctx), userName)
  File "C:\Python27\lib\site-packages\win32com\client\dynamic.py", line 91, in _GetGoodDispatch

    IDispatch = pythoncom.CoCreateInstance(IDispatch, None, clsctx, pythoncom.IID_IDispatch)
pywintypes.com_error: (-2147221005, "\xce\xde\xd0\xa7\xb5\xc4\xc0\xe0\xd7\xd6\xb7\xfb\xb4\xae", None, None)

what is the reason for this?

Python
Mar.03,2021

pyttsx should call win32com.client.
this module is more interesting, you can directly obtain the control of many programs under windows.
such as operating EXCEL: 

Use Python for Windows for SAPI5 speech</a>


If necessary, download and install Microsoft [SAPI5SpeechInstaller.msi](https://www.microsoft.com/en-us/download/details.aspx?id=10121). Current Windows systems include speech by default, and the current Windows Software Development Kit includes up-to-date speech components for programmers.


 you can try downloading this Speech SDK.

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