Resolve "Adapt to active school term"

Closes #319 (closed)

aleksis/apps/alsijil/schema/__init__.py

@@ -4,7 +4,6 @@ from django.db.models import BooleanField, ExpressionWrapper, Q
 
 import graphene
 import graphene_django_optimizer
-from guardian.shortcuts import get_objects_for_user
 
 from aleksis.apps.chronos.models import LessonEvent
 from aleksis.apps.cursus.models import Course