我正在建立一个网站，并试图创建一个自定义的用户到用户消息传递系统，所以我安装了django-
messages
以及其他一些东西，突然，当我尝试运行服务器时，出现以下错误：

Watching for file changes with StatReloader
Exception in thread django-main-thread:
Traceback (most recent call last):
  File "C:\Users\mertz\AppData\Local\Programs\Python\Python38\lib\threading.py", line 932, in _bootstrap_inner
    self.run()
  File "C:\Users\mertz\AppData\Local\Programs\Python\Python38\lib\threading.py", line 870, in run
    self._target(*self._args, **self._kwargs)
  File "C:\Users\mertz\AppData\Local\Programs\Python\Python38\lib\site-packages\django\utils\autoreload.py", line 53, in wrapper
    fn(*args, **kwargs)
  File "C:\Users\mertz\AppData\Local\Programs\Python\Python38\lib\site-packages\django\core\management\commands\runserver.py", line 109, in inner_run
    autoreload.raise_last_exception()
  File "C:\Users\mertz\AppData\Local\Programs\Python\Python38\lib\site-packages\django\utils\autoreload.py", line 76, in raise_last_exception
    raise _exception[1]
  File "C:\Users\mertz\AppData\Local\Programs\Python\Python38\lib\site-packages\django\core\management\__init__.py", line 357, in execute
    autoreload.check_errors(django.setup)()
  File "C:\Users\mertz\AppData\Local\Programs\Python\Python38\lib\site-packages\django\utils\autoreload.py", line 53, in wrapper
    fn(*args, **kwargs)
  File "C:\Users\mertz\AppData\Local\Programs\Python\Python38\lib\site-packages\django\__init__.py", line 24, in setup
    apps.populate(settings.INSTALLED_APPS)
  File "C:\Users\mertz\AppData\Local\Programs\Python\Python38\lib\site-packages\django\apps\registry.py", line 114, in populate
    app_config.import_models()
  File "C:\Users\mertz\AppData\Local\Programs\Python\Python38\lib\site-packages\django\apps\config.py", line 211, in import_models
    self.models_module = import_module(models_module_name)
  File "C:\Users\mertz\AppData\Local\Programs\Python\Python38\lib\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 "C:\Users\mertz\AppData\Local\Programs\Python\Python38\lib\site-packages\django_messages\models.py", line 9, in <module>
    from django.utils.encoding import python_2_unicode_compatible
ImportError: cannot import name 'python_2_unicode_compatible' from 'django.utils.encoding' (C:\Users\mertz\AppData\Local\Programs\Python\Python38\lib\site-packages\django\utils\encoding.py)

在我看来，这听起来像是中文，我不明白此错误的任何一行，有人可以帮助我吗？我进行了一些研究，看来它与软件包名称有关，six但我找不到解决方案。我可以根据需要提供您的代码，但是我不知道您需要哪个文件，因此随时在评论中索取一个文件，然后我将相应地编辑我的帖子。

提前致谢 ！