Fix migration; linter fix

netbox/ipam/migrations/0072_prefix_cached_relations.py

@@ -21,7 +21,7 @@ def populate_denormalized_fields(apps, schema_editor):
 class Migration(migrations.Migration):
 
     dependencies = [
-        ('dcim', '0192_poweroutlet_color'),
+        ('dcim', '0193_poweroutlet_color'),
         ('ipam', '0071_prefix_scope'),
     ]
 

netbox/netbox/tests/test_authentication.py

@@ -4,7 +4,6 @@ from django.conf import settings
 from django.test import Client
 from django.test.utils import override_settings
 from django.urls import reverse
-from netaddr import IPNetwork
 from rest_framework.test import APIClient
 
 from core.models import ObjectType