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

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

Author: pre-commit-ci[bot]

t/unit/backends/test_database.py

@@ -1,8 +1,8 @@
 import datetime
-import time
 import json
 import pickle
 import re
+import time
 from unittest import mock
 
 import celery
@@ -13,11 +13,11 @@
 from celery.utils.serialization import b64decode
 from celery.worker.request import Request
 from celery.worker.strategy import hybrid_to_proto2
+from django.db import connections
 from django.test import TransactionTestCase
 
 from django_celery_results.backends.database import DatabaseBackend
 from django_celery_results.models import ChordCounter, TaskResult
-from django.db import connections
 
 
 class SomeClass: