fix: minor

Signed-off-by: JaeHyuckSa <jaehyuck.sa.dev@gmail.com>

Author: JaeHyuckSa

app/event/presentation/test/api_test.py

@@ -1,6 +1,6 @@
 import http
 import urllib.parse
-from datetime import datetime, timedelta
+from datetime import datetime
 
 import pytest
 from django.urls import reverse