flake8 fixes

Author: AlanCoding

ansible_base/rbac/triggers.py

@@ -1,5 +1,5 @@
 import logging
-from typing import Optional, Union
+from typing import Union
 from uuid import UUID
 
 from django.db.models import Model, Q

test_app/models.py

@@ -1,6 +1,5 @@
 import uuid
 
-from django.conf import settings
 from django.db import models
 from django.db.models import JSONField
 from rest_framework.exceptions import PermissionDenied as DRFPermissionDenied

test_app/tests/rbac/api/test_user_permissions.py

@@ -2,7 +2,6 @@
 from django.test import override_settings
 
 from ansible_base.lib.utils.response import get_relative_url
-from ansible_base.rbac.policies import visible_users
 from test_app.models import Organization, Team, User