$ pip install fyle-accounting-mappings

INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',

    # Installed Apps
    'rest_framework',
    'corsheaders',
    'fyle_rest_auth', # already existing reusable django app for authentication
    'fyle_accounting_mappings', # new mapping infra app

    # User Created Apps
    'apps.users',
    'apps.workspaces',
    'apps.mappings',
    'apps.fyle',
    'apps.quickbooks_online',
    'apps.tasks'
]

$ python manage.py migrate

from fyle_accounting_mappings.models import MappingSetting, Mapping, ExpenseTag, DestinationTag

# Operations with DB