diff --git a/greg/schedule.py b/greg/schedule.py
index 2b80c6ba280fef079e469c30409235455ca2d546..68a030465ff204df399441b23ef451de3be232cd 100644
--- a/greg/schedule.py
+++ b/greg/schedule.py
@@ -2,11 +2,11 @@ import time
 from datetime import date, datetime, timedelta
 from typing import Optional
 
+from abc import ABC, abstractmethod
 from django.utils import timezone
 
 from greg.models import PersonRole, Notification, ScheduleTask
 
-from abc import ABC, abstractmethod
 
 
 class BaseSchedule(ABC):
diff --git a/greg/tests/test_expire_role.py b/greg/tests/test_expire_role.py
index 5a6fba483abb8694568bf96e20d69e18be12a4f5..d116eb92c8342fc4019872cca27dad4e00254116 100644
--- a/greg/tests/test_expire_role.py
+++ b/greg/tests/test_expire_role.py
@@ -1,4 +1,3 @@
-import zoneinfo
 from datetime import datetime, timedelta
 
 import pytest