Django创建APP时出现name ‘os‘ is not defined的错误的解决办法

安装Django环境后，在执行python manage.py startapp index后出现如下错误

***E:codeDjangoP1>python manage.py startapp index Traceback (most recent call last):   File "manage.py", line 22, in 
    main()   File "manage.py", line 18, in main
    execute_from_command_line(sys.argv)   File "E:Python38libsite-packagesdjangocoremanagement__init__.py", line 419, in execute_from_command_line
    utility.execute()   File "E:Python38libsite-packagesdjangocoremanagement__init__.py", line 363, in execute
    settings.INSTALLED_APPS   File "E:Python38libsite-packagesdjangoconf__init__.py", line 82, in
__getattr__
    self._setup(name)   File "E:Python38libsite-packagesdjangoconf__init__.py", line 69, in
_setup
    self._wrapped = Settings(settings_module)   File "E:Python38libsite-packagesdjangoconf__init__.py", line 170, in
__init__
    mod = importlib.import_module(self.SETTINGS_MODULE)   File "E:Python38libimportlib__init__.py", line 127, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)   File "", line 1014, in _gcd_import   File "", line 991, in _find_and_load   File "", line 975, in _find_and_load_unlocked  File "", line 671, in _load_unlocked   File "", line 783, in exec_module   File "", line 219, in
_call_with_frames_removed   File "E:codeDjangoP1DjangoP1settings.py", line 57, in   'DIRS':

[os.path.join(base_DIR, 'templates')] NameError: name 'os' is not defined***

根据内容分析，时程序在执行settings.py 57行时，对出现的os.path.join(base_DIR, ‘templates’)未加以引用。
因此需要在settings.py前加入
import os

该问题仅在pycharm自动创建的脚本中出现
因为pycharm在自动创建templates文件夹时，在setting.py的路径信息使用了os模块，但Djiango3.1后，路径信息采用pathlib模块，所以会导致该问题的出现。下面是Djiango3.1后的路径信息。
TEMPLATES = [
{
‘BACKEND’: ‘django.template.backends.django.DjangoTemplates’,
‘DIRS’: [],
‘APP_DIRS’: True,
‘OPTIONS’: {
‘context_processors’: [
‘django.template.context_processors.debug’,
‘django.template.context_processors.request’,
‘django.contrib.auth.context_processors.auth’,
‘django.contrib.messages.context_processors.messages’,
],
},
},
]