diff --git a/auditlog_tests/models.py b/auditlog_tests/models.py
index 6ef4d59..decdc06 100644
--- a/auditlog_tests/models.py
+++ b/auditlog_tests/models.py
@@ -205,6 +205,7 @@ class DecimalFieldModel(models.Model):
     A model with a DecimalField, used to test DecimalField changes
     are detected properly.
     """
+
     decimal = models.DecimalField(max_digits=18, decimal_places=2, default=0)
 
     history = AuditlogHistoryField(delete_related=True)
diff --git a/auditlog_tests/tests.py b/auditlog_tests/tests.py
index 785445b..b520e47 100644
--- a/auditlog_tests/tests.py
+++ b/auditlog_tests/tests.py
@@ -4,9 +4,9 @@ import json
 import random
 import warnings
 from datetime import timezone
+from decimal import Decimal
 from unittest import mock
 from unittest.mock import patch
-from decimal import Decimal
 
 import freezegun
 from dateutil.tz import gettz
@@ -42,8 +42,8 @@ from auditlog_tests.models import (
     AutoManyRelatedModel,
     CharfieldTextfieldModel,
     ChoicesFieldModel,
-    DecimalFieldModel,
     DateTimeFieldModel,
+    DecimalFieldModel,
     JSONModel,
     ManyRelatedModel,
     ManyRelatedOtherModel,