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我已经尝试再次卸载并重新安装 python 和 pyttsx3 模块，但没有成功....我正在使用 windows 10 操作系统，python 版本 3.9

#我的代码#

import pyttsx3

engine=pyttsx3.init("sapi5")
voices=engine.getProperty("voices")
engine.setProperty('voice',voices[0].id)


def speak(audio):
    engine.say(audio)
    engine.runAndWait

if __name__=="__main__":
    speak("this is test speech")

##我收到的错误##

Traceback (most recent call last):
  File "C:\Users\compaq\AppData\Local\Programs\Python\Python39\lib\site-packages\pyttsx3\__init__.py", line 20, in init
    eng = _activeEngines[driverName]
  File "C:\Users\compaq\AppData\Local\Programs\Python\Python39\lib\weakref.py", line 134, in __getitem__
    o = self.data[key]()
KeyError: 'sapi5'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "c:\Users\compaq\Desktop\python\whileloop.py", line 18, in <module>
    engine=pyttsx3.init("sapi5")
  File "C:\Users\compaq\AppData\Local\Programs\Python\Python39\lib\site-packages\pyttsx3\__init__.py", line 22, in init
    eng = Engine(driverName, debug)
  File "C:\Users\compaq\AppData\Local\Programs\Python\Python39\lib\site-packages\pyttsx3\engine.py", line 30, in __init__
    self.proxy = driver.DriverProxy(weakref.proxy(self), driverName, debug)
  File "C:\Users\compaq\AppData\Local\Programs\Python\Python39\lib\site-packages\pyttsx3\driver.py", line 50, in __init__
    self._module = importlib.import_module(name)
  File "C:\Users\compaq\AppData\Local\Programs\Python\Python39\lib\importlib\__init__.py", line 127, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 1030, in _gcd_import
  File "<frozen importlib._bootstrap>", line 1007, in _find_and_load
  File "<frozen importlib._bootstrap>", line 986, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 680, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 850, in exec_module
  File "<frozen importlib._bootstrap>", line 228, in _call_with_frames_removed
  File "C:\Users\compaq\AppData\Local\Programs\Python\Python39\lib\site-packages\pyttsx3\drivers\sapi5.py", line 10, in <module>
    import pythoncom
  File "C:\Users\compaq\AppData\Roaming\Python\Python39\site-packages\pythoncom.py", line 2, in <module>
    import pywintypes
  File "C:\Users\compaq\AppData\Roaming\Python\Python39\site-packages\win32\lib\pywintypes.py", line 105, in <module>
    __import_pywin32_system_module__("pywintypes", globals())
  File "C:\Users\compaq\AppData\Roaming\Python\Python39\site-packages\win32\lib\pywintypes.py", line 87, in __import_pywin32_system_module__
    raise ImportError("No system module '%s' (%s)" % (modname, filename))
ImportError: No system module 'pywintypes' (pywintypes39.dll)
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