re-apply ruff TCH rules

counter/migrations/0026_alter_studentcard_customer.py

@@ -1,11 +1,14 @@
 # Generated by Django 4.2.17 on 2024-12-08 13:30
 from operator import attrgetter
+from typing import TYPE_CHECKING
 
 import django.db.models.deletion
 from django.db import migrations, models
-from django.db.migrations.state import StateApps
 from django.db.models import Count
 
+if TYPE_CHECKING:
+    from django.db.migrations.state import StateApps
+
 
 def delete_duplicates(apps: StateApps, schema_editor):
     """Delete cards of users with more than one student cards.