diff --git a/backend/contest/test_tiebreak.py b/backend/contest/test_tiebreak.py
index e370a46..4beb803 100644
--- a/backend/contest/test_tiebreak.py
+++ b/backend/contest/test_tiebreak.py
@@ -1,14 +1,14 @@
 """端到端模拟两人实时竞赛，覆盖同分不同时长的平局判定场景。"""
 
+from datetime import timedelta
+
 import pytest
 from django.test import Client
 from django.utils import timezone
-from datetime import timedelta
 
 from accounts.models import User
 from contest.models import (
     Contest,
-    ContestAttempt,
     ContestQuestion,
     Question,
     QuestionVersion,
@@ -298,8 +298,7 @@ def test_双方都超时则由_refresh_自动结算判平(db):
     second = _create_user("both_to_p2", "慢超时")
     fc, sc = _client(first), _client(second)
 
-    match_id, fs, ss = _create_and_join(fc, sc, contest)
-    fa, sa = fs["attempt"]["attempt_id"], ss["attempt"]["attempt_id"]
+    match_id, _, _ = _create_and_join(fc, sc, contest)
 
     # 两个人都不提交，直接让 match 超时
     match = RealtimeMatch.objects.get(id=match_id)