[Python 3.X] Erreur Django : ImproperlyConfigured: WSGI application

Bonjour,

Je suis un débutant sur DJANGO, j'ai essayé d'installer debug_toolbar. Cependant une erreur s'affiche en m'indiquant en fin de réponse "ImproperlyConfigured: WSGI application 'disquaire_project
.wsgi.application' could not be loaded; Error importing module." (Ci-dessous le feed back complet ainisi les parties essentielles de mon script setting.py). Je souhaite si quelqu'un peut m'aider à débloquer ce soucis. Merci d'avance

Feed Back de l'erreur

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Microsoft Windows [version 6.1.7601]
Copyright (c) 2009 Microsoft Corporation. Tous droits réservés.
 
C:\Users\lenovo>dev\cfehome\Scripts\activate
 
(cfehome) C:\Users\lenovo>cd "dev\cfehome\disquaire_project"
 
(cfehome) C:\Users\lenovo\dev\cfehome\disquaire_project>manage.py runserver
Watching for file changes with StatReloader
Performing system checks...
 
System check identified some issues:
 
WARNINGS:
?: (debug_toolbar.W001) debug_toolbar.middleware.DebugToolbarMiddleware is missi
ng from MIDDLEWARE.
        HINT: Add debug_toolbar.middleware.DebugToolbarMiddleware to MIDDLEWARE.
 
 
System check identified 1 issue (0 silenced).
August 22, 2019 - 09:31:06
Django version 2.2.4, using settings 'disquaire_project.settings'
Starting development server at http://127.0.0.1:8000/
Quit the server with CTRL-BREAK.
Exception in thread django-main-thread:
Traceback (most recent call last):
  File "C:\Users\lenovo\dev\cfehome\lib\site-packages\django\utils\module_loadin
g.py", line 20, in import_string
    return getattr(module, class_name)
AttributeError: module 'debug_toolbar.middleware' has no attribute 'DebugToolbar
Middelware'
 
The above exception was the direct cause of the following exception:
 
Traceback (most recent call last):
  File "C:\Users\lenovo\dev\cfehome\lib\site-packages\django\core\servers\baseht
tp.py", line 45, in get_internal_wsgi_application
    return import_string(app_path)
  File "C:\Users\lenovo\dev\cfehome\lib\site-packages\django\utils\module_loadin
g.py", line 17, in import_string
    module = import_module(module_path)
  File "C:\Users\lenovo\dev\cfehome\lib\importlib\__init__.py", line 127, in imp
ort_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\lenovo\dev\cfehome\disquaire_project\disquaire_project\wsgi.py"
, line 16, in <module>
    application = get_wsgi_application()
  File "C:\Users\lenovo\dev\cfehome\lib\site-packages\django\core\wsgi.py", line
 13, in get_wsgi_application
    return WSGIHandler()
  File "C:\Users\lenovo\dev\cfehome\lib\site-packages\django\core\handlers\wsgi.
py", line 135, in __init__
    self.load_middleware()
  File "C:\Users\lenovo\dev\cfehome\lib\site-packages\django\core\handlers\base.
py", line 35, in load_middleware
    middleware = import_string(middleware_path)
  File "C:\Users\lenovo\dev\cfehome\lib\site-packages\django\utils\module_loadin
g.py", line 24, in import_string
    ) from err
ImportError: Module "debug_toolbar.middleware" does not define a "DebugToolbarMi
ddelware" attribute/class
 
The above exception was the direct cause of the following exception:
 
Traceback (most recent call last):
  File "c:\python37-32\Lib\threading.py", line 917, in _bootstrap_inner
    self.run()
  File "c:\python37-32\Lib\threading.py", line 865, in run
    self._target(*self._args, **self._kwargs)
  File "C:\Users\lenovo\dev\cfehome\lib\site-packages\django\utils\autoreload.py
", line 54, in wrapper
    fn(*args, **kwargs)
  File "C:\Users\lenovo\dev\cfehome\lib\site-packages\django\core\management\com
mands\runserver.py", line 137, in inner_run
    handler = self.get_handler(*args, **options)
  File "C:\Users\lenovo\dev\cfehome\lib\site-packages\django\contrib\staticfiles
\management\commands\runserver.py", line 27, in get_handler
    handler = super().get_handler(*args, **options)
  File "C:\Users\lenovo\dev\cfehome\lib\site-packages\django\core\management\com
mands\runserver.py", line 64, in get_handler
    return get_internal_wsgi_application()
  File "C:\Users\lenovo\dev\cfehome\lib\site-packages\django\core\servers\baseht
tp.py", line 50, in get_internal_wsgi_application
    ) from err
django.core.exceptions.ImproperlyConfigured: WSGI application 'disquaire_project
.wsgi.application' could not be loaded; Error importing module.

Setting.py

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INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'debug_toolbar',
]
 
MIDDLEWARE = [
    'django.middleware.security.SecurityMiddleware',
    'django.contrib.sessions.middleware.SessionMiddleware',
    'django.middleware.common.CommonMiddleware',
    'django.middleware.csrf.CsrfViewMiddleware',
    'debug_toolbar.middleware.DebugToolbarMiddelware',
    'django.contrib.auth.middleware.AuthenticationMiddleware',
    'django.contrib.messages.middleware.MessageMiddleware',
    'django.middleware.clickjacking.XFrameOptionsMiddleware',
 
]
 
ROOT_URLCONF = 'disquaire_project.urls'
 
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',
            ],
        },
    },
]
 
WSGI_APPLICATION = 'disquaire_project.wsgi.application'