Fix lint issues

aleksis/apps/alsijil/data_checks.py

@@ -21,7 +21,7 @@ class DeleteRelatedObjectSolveOption(SolveOption):
         check_result.delete()
 
 
-class SetGroupsOfPersonWithCurrentGroupsOfPersonSolveOption(SolveOption):
+class SetGroupsWithCurrentGroupsSolveOption(SolveOption):
     name = "set_groups_of_person"
     verbose_name = _("Set current groups")
 
@@ -70,7 +70,7 @@ class NoGroupsOfPersonsSetInPersonalNotesDataCheck(DataCheck):
     verbose_name = _("Ensure that 'groups_of_person' is set for every personal note")
     problem_name = _("The personal note has no group in 'groups_of_person'.")
     solve_options = {
-        SetGroupsOfPersonWithCurrentGroupsOfPersonSolveOption.name: SetGroupsOfPersonWithCurrentGroupsOfPersonSolveOption,
+        SetGroupsWithCurrentGroupsSolveOption.name: SetGroupsWithCurrentGroupsSolveOption,
         DeleteRelatedObjectSolveOption.name: DeleteRelatedObjectSolveOption,
         IgnoreSolveOption.name: IgnoreSolveOption,
     }

aleksis/apps/alsijil/preferences.py

 from django.utils.translation import gettext as _
 
 from dynamic_preferences.preferences import Section
-from dynamic_preferences.types import BooleanPreference, ModelMultipleChoicePreference
+from dynamic_preferences.types import BooleanPreference
 
-from aleksis.core.models import Person
 from aleksis.core.registries import site_preferences_registry
 
 alsijil = Section("alsijil", verbose_name=_("Class register"))

aleksis/apps/alsijil/views.py

 from datetime import date, datetime, timedelta
-from typing import Any, Dict, Optional
+from typing import Optional
 
 from django.core.exceptions import PermissionDenied
-from django.db.models import Count, Exists, OuterRef, Prefetch, Q, QuerySet, Subquery, Sum
+from django.db.models import Count, Exists, OuterRef, Prefetch, Q, Subquery, Sum
 from django.http import Http404, HttpRequest, HttpResponse, HttpResponseNotFound
 from django.shortcuts import get_object_or_404, redirect, render
 from django.urls import reverse, reverse_lazy
 from django.utils.translation import ugettext as _
-from django.views.generic import DetailView, ListView
+from django.views.generic import DetailView
 
 import reversion
 from calendarweek import CalendarWeek
@@ -21,11 +21,7 @@ from aleksis.apps.chronos.util.date import get_weeks_for_year, week_weekday_to_d
 from aleksis.core.mixins import AdvancedCreateView, AdvancedDeleteView, AdvancedEditView
 from aleksis.core.models import Group, Person, SchoolTerm
 from aleksis.core.util import messages
-from aleksis.core.util.core_helpers import (
-    get_site_preferences,
-    is_celery_enabled,
-    objectgetter_optional,
-)
+from aleksis.core.util.core_helpers import get_site_preferences, objectgetter_optional
 
 from .forms import (
     ExcuseTypeForm,