Django ModuleNotFoundError: No module named 'core'

Question

I was working on a blog. The static files are in a bucket on aws and the website is being hosted on heroku. Each time i try to edit a blog post ie(http://127.0.0.1:8000/admin/blog/post/1/change/) I keep getting this error:

  File "C:\Users\Hp\AppData\Local\Programs\Python\Python310\lib\importlib\__init__.py", line 126, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 1050, in _gcd_import
  File "<frozen importlib._bootstrap>", line 1027, in _find_and_load
  File "<frozen importlib._bootstrap>", line 992, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 241, in _call_with_frames_removed
  File "<frozen importlib._bootstrap>", line 1050, in _gcd_import
  File "<frozen importlib._bootstrap>", line 1027, in _find_and_load
  File "<frozen importlib._bootstrap>", line 1004, in _find_and_load_unlocked
ModuleNotFoundError: No module named 'core'

Here is my settings.py:

"""
Django settings for proton project.

Generated by 'django-admin startproject' using Django 4.0.2.

For more information on this file, see
https://docs.djangoproject.com/en/4.0/topics/settings/

For the full list of settings and their values, see
https://docs.djangoproject.com/en/4.0/ref/settings/
"""

from pathlib import Path
import os
import django_heroku
import dj_database_url

# Build paths inside the project like this: BASE_DIR / 'subdir'.
BASE_DIR = Path(__file__).resolve().parent.parent


# Quick-start development settings - unsuitable for production
# See https://docs.djangoproject.com/en/4.0/howto/deployment/checklist/

# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = 'secret key'

# SECURITY WARNING: don't run with debug turned on in production!
DEBUG = True

ALLOWED_HOSTS = []


# Application definition

INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'blog',
    'ckeditor',
    'taggit'
]

MIDDLEWARE = [
    'django.middleware.security.SecurityMiddleware',
    'django.contrib.sessions.middleware.SessionMiddleware',
    'django.middleware.common.CommonMiddleware',
    'django.middleware.csrf.CsrfViewMiddleware',
    'django.contrib.auth.middleware.AuthenticationMiddleware',
    'django.contrib.messages.middleware.MessageMiddleware',
    'django.middleware.clickjacking.XFrameOptionsMiddleware',
]

ROOT_URLCONF = 'proton.urls'

TEMPLATES = [
    {
        'BACKEND': 'django.template.backends.django.DjangoTemplates',
        'DIRS': ['templates'],
        '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 = 'proton.wsgi.application'


# Database
# https://docs.djangoproject.com/en/4.0/ref/settings/#databases

DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.sqlite3',
        'NAME': BASE_DIR / 'db.sqlite3',
    }
}



# Password validation
# https://docs.djangoproject.com/en/4.0/ref/settings/#auth-password-validators

AUTH_PASSWORD_VALIDATORS = [
    {
        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
    },
    {
        'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
    },
    {
        'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
    },
    {
        'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
    },
]


# Internationalization
# https://docs.djangoproject.com/en/4.0/topics/i18n/

LANGUAGE_CODE = 'en-us'

TIME_ZONE = 'UTC'

USE_I18N = True

USE_TZ = True


# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/4.0/howto/static-files/

# STATIC_URL = '/static/'



# Default primary key field type
# https://docs.djangoproject.com/en/4.0/ref/settings/#default-auto-field

DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'

#email settings
EMAIL_USE_TLS = True
EMAIL_HOST = 'smtp.gmail.com'
EMAIL_HOST_USER = 'email'
EMAIL_HOST_PASSWORD = 'password'
EMAIL_PORT = 587
# EMAIL_USE_TLS = False

LOGIN_URL = 'dashboard-login'

# STATIC_ROOT = os.path.join(BASE_DIR,  'staticfiles')


django_heroku.settings(locals())


# AWS_ACCESS_KEY_ID = 'AKIARETVYQK3CDYTUHPG'
# AWS_SECRET_ACCESS_KEY = 'secret key'
# AWS_STORAGE_BUCKET_NAME = 'django-blog-2'
# AWS_S3_CUSTOM_DOMAIN = '%s.s3.amazonaws.com' % AWS_STORAGE_BUCKET_NAME
# AWS_S3_OBJECT_PARAMETERS = {'CacheControl': 'max-age=86400'}
# AWS_DEFAULT_ACL = 'public-read'

AWS_ACCESS_KEY_ID = 'AKIARETVYQK3BVJC5KWR'
AWS_SECRET_ACCESS_KEY = 'secret key'
AWS_STORAGE_BUCKET_NAME = 'dj-blog-2'
AWS_S3_CUSTOM_DOMAIN = '%s.s3.amazonaws.com' % AWS_STORAGE_BUCKET_NAME
AWS_S3_OBJECT_PARAMETERS = {'CacheControl': 'max-age=86400'}
AWS_DEFAULT_ACL = None

AWS_LOCATION = 'static'
STATICFILES_DIRS = [
    os.path.join(BASE_DIR, 'static'),
]

STATICFILES_STORAGE = 'storages.backends.s3boto3.S3Boto3Storage'
STATIC_URL = 'https://%s/%s/' % (AWS_S3_CUSTOM_DOMAIN, AWS_LOCATION)
DEFAULT_FILE_STORAGE = 'core.storages.MediaStore'

# MEDIA_URL = '/media/'
# MEDIA_ROOT = os.path.join(BASE_DIR, 'media')

I have been looking for a solution for a long time now. Does anyone please have any idea how to fix it?