Satisfy linters

Author: AlanCoding

test_app/tests/conftest.py

@@ -1,6 +1,4 @@
-import os
 import random
-import re
 from collections import defaultdict
 from datetime import datetime, timedelta
 from unittest import mock
@@ -74,7 +72,6 @@ def test_migrations_okay(*args, **kwargs):
         app_name = app_exceptions.get(record.app, record.app)
         db_steps[app_name].add(record.name)
 
-
     for app in disk_steps:
         assert disk_steps[app] == db_steps[app], f'Migrations not expected for app {app}, perhaps you need --create-db?'