[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

tests/test_crypto.py

@@ -1,7 +1,9 @@
-from django.test import TestCase
 from unittest.mock import patch
+
+from django.test import TestCase
+
+from knox.crypto import create_token_string, hash_token, make_hex_compatible
 from knox.settings import knox_settings
-from knox.crypto import create_token_string, make_hex_compatible, hash_token
 
 
 class CryptoUtilsTestCase(TestCase):

tests/test_models.py

@@ -1,12 +1,14 @@
-from django.test import TestCase, override_settings
+from datetime import timedelta
+
 from django.contrib.auth import get_user_model
-from django.utils import timezone
 from django.core.exceptions import ImproperlyConfigured
-from datetime import timedelta
+from django.test import TestCase, override_settings
+from django.utils import timezone
 from freezegun import freeze_time
 
-from knox.settings import CONSTANTS, knox_settings
 from knox.models import AuthToken, get_token_model
+from knox.settings import CONSTANTS, knox_settings
+
 
 class AuthTokenTests(TestCase):
     """

tests/test_settings.py

@@ -1,17 +1,16 @@
+import hashlib
 from datetime import timedelta
 from unittest import mock
-import hashlib
-from django.test import override_settings
-from django.core.signals import setting_changed
+
 from django.conf import settings
+from django.core.signals import setting_changed
+from django.test import override_settings
 
 from knox.settings import (
-    CONSTANTS, 
-    knox_settings, 
-    reload_api_settings,
-    IMPORT_STRINGS
+    CONSTANTS, IMPORT_STRINGS, knox_settings, reload_api_settings,
 )
 
+
 class TestKnoxSettings:
     @override_settings(REST_KNOX={
         'AUTH_TOKEN_CHARACTER_LENGTH': 32,