Improve imports

app/projects/tests.py

@@ -1,17 +1,15 @@
-import pytest
 import json
+
+import pytest
 from django.test import TestCase
-from django.urls import reverse
-from django.conf import settings as django_settings
 from django.test.client import RequestFactory
-from projects.models import Project, Scenario, Viewer, Asset
-from users.models import CustomUser
-from django.core.exceptions import ValidationError
-
+from django.urls import reverse
+from projects.models import Project, Scenario, Asset
 from projects.scenario_topology_helpers import (
     load_scenario_from_dict,
     load_project_from_dict,
 )
+from users.models import CustomUser
 
 
 class BasicOperationsTest(TestCase):