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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def secure(view):
 """Set an auth decorator applied for views. If DEBUG is on, we serve the view without authenticating. Default is 'django.contrib.auth.decorators.login_required'. Can also be 'django.contrib.admin.views.decorators.staff_member_required' or a custom decorator. """

    AUTH = getattr(
        settings,
        'SLACKCHAT_AUTH_DECORATOR',
        'django.contrib.admin.views.decorators.staff_member_required'
    )
    auth_decorator = import_class(AUTH)
    return method_decorator(auth_decorator, name='dispatch')(view)