运行Python服务器时需要帮助

我正在尝试执行“python manage.py runserver”，并不断收到此错误消息。我曾尝试使用SQL_Server.pyodbc和SQLServer_ADO作为SQL引擎，但这似乎无法解决我收到的错误。我还从我最近添加的项目中排除了一些新的python文件，因为在添加新的python文件之前，系统运行良好

   Traceback (most recent call last):
  File "\\shareddrives.nkfaulknerandsons.co.uk\Tutoring\PhD\DjangoWebProject1\DjangoWebProject1\manage.py", line 17, in <module>
    execute_from_command_line(sys.argv)
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\django\core\management\__init__.py", line 364, in execute_from_command_line
    utility.execute()
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\django\core\management\__init__.py", line 338, in execute
    django.setup()
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\django\__init__.py", line 27, in setup
    apps.populate(settings.INSTALLED_APPS)
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\django\apps\registry.py", line 108, in populate
    app_config.import_models()
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\django\apps\config.py", line 202, in import_models
    self.models_module = import_module(models_module_name)
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\importlib\__init__.py", line 127, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 1006, in _gcd_import
  File "<frozen importlib._bootstrap>", line 983, in _find_and_load
  File "<frozen importlib._bootstrap>", line 967, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 677, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 728, in exec_module
  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
  File ".\polls\models.py", line 6, in <module>
    class Question(models.Model):
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\django\db\models\base.py", line 124, in __new__
    new_class.add_to_class('_meta', Options(meta, app_label))
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\django\db\models\base.py", line 325, in add_to_class
    value.contribute_to_class(cls, name)
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\django\db\models\options.py", line 214, in contribute_to_class
    self.db_table = truncate_name(self.db_table, connection.ops.max_name_length())
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\django\db\__init__.py", line 33, in __getattr__
    return getattr(connections[DEFAULT_DB_ALIAS], item)
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\django\db\utils.py", line 212, in __getitem__
    conn = backend.DatabaseWrapper(db, alias)
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\sqlserver_ado\base.py", line 184, in __init__
    super(DatabaseWrapper, self).__init__(*args, **kwargs)
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\django\db\backends\base\base.py", line 96, in __init__
    self.client = self.client_class(self)
TypeError: 'NoneType' object is not callable
The interactive Python process has exited.
The interactive Python process has exited.

回溯（最近一次呼叫最后一次）：
文件“\\shareddrives.nkfaulknerandsons.co.uk\Tutoring\PhD\DjangoWebProject1\DjangoWebProject1\manage.py”，第17行，在
从命令行（sys.argv）执行命令
文件“C:\Users\Administrator\AppData\Local\Programs\Python\37\lib\site packages\django\core\management\\uuuuuuu init\uuuuuuu.py”，第364行，从命令行执行
utility.execute（）
文件“C:\Users\Administrator\AppData\Local\Programs\Python\37\lib\site packages\django\core\management\ \uuuuuu init\uuuuuu.py”，第338行，在execute中
django.setup（）
文件“C:\Users\Administrator\AppData\Local\Programs\Python\37\lib\site packages\django\\uuuuuu init\uuuuu.py”，第27行，在安装程序中
应用程序。填充（设置。已安装的应用程序）
文件“C:\Users\Administrator\AppData\Local\Programs\Python\37\lib\site packages\django\apps\registry.py”，第108行，填充
app_config.import_models（）
文件“C:\Users\Administrator\AppData\Local\Programs\Python\37\lib\site packages\django\apps\config.py”，第202行，在import\u模型中
self.models\u module=导入模块（models\u module\u name）
文件“C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\importlib\\uuuuuu init\uuuuu.py”，第127行，在导入模块中
return _bootstrap._gcd_import（名称[级别：]，包，级别）
文件“”，第1006行，在\u gcd\u导入中
文件“”，第983行，在_find_和_load中
文件“”，第967行，在“查找”和“加载”中解锁
文件“”，第677行，在\u加载\u解锁
exec_模块中第728行的文件“”
文件“”，第219行，在“调用”中，删除了“帧”
文件“\polls\models.py”，第6行，在
课堂提问（models.Model）：
文件“C:\Users\Administrator\AppData\Local\Programs\Python\37\lib\site packages\django\db\models\base.py”，第124行，在新的__
新建类。将类添加到类（“元”，选项（元，应用标签））
文件“C:\Users\Administrator\AppData\Local\Programs\Python\37\lib\site packages\django\db\models\base.py”，第325行，添加到类中
值。贡献给类（cls，名称）
文件“C:\Users\Administrator\AppData\Local\Programs\Python\37\lib\site packages\django\db\models\options.py”，第214行，在contribute\u to\u类中
self.db\u table=truncate\u name（self.db\u table，connection.ops.max\u name\u length（））
文件“C:\Users\Administrator\AppData\Local\Programs\Python\37\lib\site packages\django\db\\uuuu init\uuuu.py”，第33行，位于\uuu getattr中__
返回getattr（连接[默认\u DB\u别名]，项）
文件“C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site packages\django\db\utils.py”，第212行，在\uu getitem中__
conn=backend.DatabaseWrapper（db，别名）
文件“C:\Users\Administrator\AppData\Local\Programs\Python\37\lib\site packages\sqlserver\u ado\base.py”，第184行，在u init中__
super（数据库包装器，self）。\uuuuu init\uuuu（*args，**kwargs）
文件“C:\Users\Administrator\AppData\Local\Programs\Python\37\lib\site packages\django\db\backends\base\base.py”，第96行，在\uuu init中__
self.client=self.client\u类（self）
TypeError:“非类型”对象不可调用
交互式Python进程已退出。
交互式Python进程已退出。

编辑：我已经将Django升级到3.0.2，我还安装了Django mssql后端。但是，现在我在命令提示符中收到以下错误：

    '\\shareddrives.nkfaulknerandsons.co.uk\Tutoring\PhD\DjangoWebProject1\DjangoWebProject1'
CMD.EXE was started with the above path as the current directory.
UNC paths are not supported.  Defaulting to Windows directory.
Watching for file changes with StatReloader
Exception in thread django-main-thread:
Traceback (most recent call last):
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\threading.py", line 926, in _bootstrap_inner
    self.run()
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\threading.py", line 870, in run
    self._target(*self._args, **self._kwargs)
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\django\utils\autoreload.py", line 53, in wrapper
    fn(*args, **kwargs)
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\django\core\management\commands\runserver.py", line 109, in inner_run
    autoreload.raise_last_exception()
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\django\utils\autoreload.py", line 76, in raise_last_exception
    raise _exception[1]
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\django\core\management\__init__.py", line 357, in execute
    autoreload.check_errors(django.setup)()
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\django\utils\autoreload.py", line 53, in wrapper
    fn(*args, **kwargs)
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\django\__init__.py", line 24, in setup
    apps.populate(settings.INSTALLED_APPS)
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\django\apps\registry.py", line 114, in populate
    app_config.import_models()
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\django\apps\config.py", line 211, in import_models
    self.models_module = import_module(models_module_name)
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\importlib\__init__.py", line 127, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 1006, in _gcd_import
  File "<frozen importlib._bootstrap>", line 983, in _find_and_load
  File "<frozen importlib._bootstrap>", line 967, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 677, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 728, in exec_module
  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
  File "\\shareddrives.nkfaulknerandsons.co.uk\Tutoring\PhD\DjangoWebProject1\DjangoWebProject1\polls\models.py", line 6, in <module>
    class Question(models.Model):
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\django\db\models\base.py", line 121, in __new__
    new_class.add_to_class('_meta', Options(meta, app_label))
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\django\db\models\base.py", line 325, in add_to_class
    value.contribute_to_class(cls, name)
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\django\db\models\options.py", line 208, in contribute_to_class
    self.db_table = truncate_name(self.db_table, connection.ops.max_name_length())
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\django\db\__init__.py", line 28, in __getattr__
    return getattr(connections[DEFAULT_DB_ALIAS], item)
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\django\db\utils.py", line 207, in __getitem__
    backend = load_backend(db['ENGINE'])
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\django\db\utils.py", line 111, in load_backend
    return import_module('%s.base' % backend_name)
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\importlib\__init__.py", line 127, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 1006, in _gcd_import
  File "<frozen importlib._bootstrap>", line 983, in _find_and_load
  File "<frozen importlib._bootstrap>", line 967, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 677, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 728, in exec_module
  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\sql_server\pyodbc\base.py", line 12, in <module>
    raise ImproperlyConfigured("Django %d.%d.%d is not supported." % VERSION[:3])
django.core.exceptions.ImproperlyConfigured: Django 3.0.2 is not supported.

“\\shareddrives.nkfaulknerandsons.co.uk\Tutoring\PhD\DjangoWebProject1\DjangoWebProject1”
CMD.EXE是以上述路径作为当前目录启动的。
不支持UNC路径。默认为Windows目录。
使用StatReloader监视文件更改
线程django主线程中出现异常：
回溯（最近一次呼叫最后一次）：
文件“C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\threading.py”，第926行，在\u bootstrap\u内部
self.run（）
文件“C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\threading.py”，第870行，正在运行
自我目标（*自我参数，**自我参数）
文件“C:\Users\Administrator\AppData\Local\Programs\Python\37\lib\site packages\django\utils\autoreload.py”，第53行，在包装器中
fn（*args，**kwargs）
文件“C:\Users\Administrator\AppData\Local\Programs\Python\37\lib\site packages\django\core\management\commands\runserver.py”，第109行，在内部运行
autoreload.raise\u last\u异常（）
文件“C:\Users\Administrator\AppData\Local\Programs\Python\37\lib\site packages\django\utils\autoreload.py”，第76行，在raise\u last\u异常中
raise_异常[1]
文件“C:\Users\Administrator\AppData\Local\Programs\Python\37\lib\site packages\django\core\management\\uuuu init\uuuu.py”，第357行，在execute中
自动加载检查错误（django.setup）（）
文件“C:\Users\Administrator\AppData\Local\Programs\Python\37\lib\site packages\django\utils\autoreload.py”，第53行，在包装器中
fn（*args，**kwargs）
文件“C:\Users\Administrator\AppData\Local\Programs\Python\37\lib\site packages\django\\uuuuuu init\uuuuuu.py”，第24行，在安装程序中
应用程序。填充（设置。已安装的应用程序）
文件“C:\Users\Administrator\AppData\Local\Programs\Python\37\lib\site packages\django\apps\registry.py”，第114行，填充
app_config.import_models（）
文件“C:\Users\Administrator\AppData\Local\Programs\Python\37\lib\site packages\django\apps\config.py”，第211行，在import\u模型中
self.models\u module=导入模块（models\u module\u name）
文件“C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\importlib\\uuuuuu init\uuuuu.py”，第127行，在导入模块中
return _bootstrap._gcd_import（名称[级别：]，包，级别）
文件“”，第1006行，在\u gcd\u导入中
文件“”，第983行，在_find_和_l中
'\\shareddrives.nkfaulknerandsons.co.uk\Tutoring\PhD\DjangoWebProject1\DjangoWebProject1'
CMD.EXE was started with the above path as the current directory.
UNC paths are not supported.  Defaulting to Windows directory.
Unhandled exception in thread started by <function check_errors.<locals>.wrapper at 0x000002410E25C798>
Traceback (most recent call last):
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\django\utils\autoreload.py", line 225, in wrapper
    fn(*args, **kwargs)
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\django\core\management\commands\runserver.py", line 109, in inner_run
    autoreload.raise_last_exception()
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\django\utils\autoreload.py", line 248, in raise_last_exception
    raise _exception[1]
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\django\core\management\__init__.py", line 337, in execute
    autoreload.check_errors(django.setup)()
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\django\utils\autoreload.py", line 225, in wrapper
    fn(*args, **kwargs)
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\django\__init__.py", line 24, in setup
    apps.populate(settings.INSTALLED_APPS)
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\django\apps\registry.py", line 112, in populate
    app_config.import_models()
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\django\apps\config.py", line 198, in import_models
    self.models_module = import_module(models_module_name)
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\importlib\__init__.py", line 127, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 1006, in _gcd_import
  File "<frozen importlib._bootstrap>", line 983, in _find_and_load
  File "<frozen importlib._bootstrap>", line 967, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 677, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 728, in exec_module
  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
  File "\\shareddrives.nkfaulknerandsons.co.uk\Tutoring\PhD\DjangoWebProject1\DjangoWebProject1\polls\models.py", line 6, in <module>
    class Question(models.Model):
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\django\db\models\base.py", line 101, in __new__
    new_class.add_to_class('_meta', Options(meta, app_label))
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\django\db\models\base.py", line 304, in add_to_class
    value.contribute_to_class(cls, name)
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\django\db\models\options.py", line 203, in contribute_to_class
    self.db_table = truncate_name(self.db_table, connection.ops.max_name_length())
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\django\db\__init__.py", line 33, in __getattr__
    return getattr(connections[DEFAULT_DB_ALIAS], item)
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\django\db\utils.py", line 202, in __getitem__
    backend = load_backend(db['ENGINE'])
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\django\db\utils.py", line 110, in load_backend
    return import_module('%s.base' % backend_name)
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\importlib\__init__.py", line 127, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 1006, in _gcd_import
  File "<frozen importlib._bootstrap>", line 983, in _find_and_load
  File "<frozen importlib._bootstrap>", line 967, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 677, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 728, in exec_module
  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python37\lib\site-packages\django_pyodbc\base.py", line 98, in <module>
    raise ImproperlyConfigured("Django %d.%d is not supported." % DjangoVersion[:2])
django.core.exceptions.ImproperlyConfigured: Django 2.1 is not supported.