OSError libespeak.so.1 error: no such file or directory 解决办法

Traceback (most recent call last):
  File "/home/summergao/.local/lib/python3.8/site-packages/pyttsx3/__init__.py", line 20, in init
    eng = _activeEngines[driverName]
  File "/usr/lib/python3.8/weakref.py", line 131, in __getitem__
    o = self.data[key]()
KeyError: None

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "mqttToTts.py", line 23, in <module>
    tts = Tts()
  File "mqttToTts.py", line 7, in __init__
    self.engine = pyttsx3.init()
  File "/home/summergao/.local/lib/python3.8/site-packages/pyttsx3/__init__.py", line 22, in init
    eng = Engine(driverName, debug)
  File "/home/summergao/.local/lib/python3.8/site-packages/pyttsx3/engine.py", line 30, in __init__
    self.proxy = driver.DriverProxy(weakref.proxy(self), driverName, debug)
  File "/home/summergao/.local/lib/python3.8/site-packages/pyttsx3/driver.py", line 50, in __init__
    self._module = importlib.import_module(name)
  File "/usr/lib/python3.8/importlib/__init__.py", line 127, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 1014, in _gcd_import
  File "<frozen importlib._bootstrap>", line 991, in _find_and_load
  File "<frozen importlib._bootstrap>", line 975, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 671, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 783, in exec_module
  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
  File "/home/summergao/.local/lib/python3.8/site-packages/pyttsx3/drivers/espeak.py", line 9, in <module>
    from . import _espeak, toUtf8, fromUtf8
  File "/home/summergao/.local/lib/python3.8/site-packages/pyttsx3/drivers/_espeak.py", line 18, in <module>
    dll = cdll.LoadLibrary('libespeak.so.1')
  File "/usr/lib/python3.8/ctypes/__init__.py", line 451, in LoadLibrary
    return self._dlltype(name)
  File "/usr/lib/python3.8/ctypes/__init__.py", line 373, in __init__
    self._handle = _dlopen(self._name, mode)
OSError: libespeak.so.1: cannot open shared object file: No such file or directory

在使用python3 做文字转语音时，安装pyttsx3，运行程序时报以上错误

原因是安装pyttsx3前要安装一个语音环境：“espeak”

安装命令：

sudo apt-get update && sudo apt-get install espeak