test(sorting): drop unused imports/var in test_sorting (#68)

tests/test_sorting.py

@@ -1,6 +1,6 @@
 """Tests for the list-view sorting system (games/sorting.py)."""
 
-from datetime import datetime, timedelta
+from datetime import datetime
 from zoneinfo import ZoneInfo
 
 import pytest
@@ -8,7 +8,7 @@ from django.conf import settings
 from django.test import RequestFactory
 
 from games.filters import FindFilter
-from games.models import Game, Platform, Purchase, Session
+from games.models import Game, Platform, Session
 from games.sorting import (
     GAME_DEFAULT_SORT,
     GAME_SORTS,
@@ -116,6 +116,7 @@ class TestApplySortGames:
         assert list(result.queryset)[0] == alpha  # most playtime first
 
 
+
 class TestParseFindFilter:
     def test_reads_sort_param(self):
         request = RequestFactory().get("/x", {"sort": "-playtime,name"})