diff --git a/aleksis/apps/alsijil/frontend/components/coursebook/statistics/StatisticsForGroupTab.vue b/aleksis/apps/alsijil/frontend/components/coursebook/statistics/StatisticsForGroupTab.vue
index e5eb12c62ccadcde90e51fa9b3f24865660bb830..980bf03b1c172a048891457063c8bee5f106de69 100644
--- a/aleksis/apps/alsijil/frontend/components/coursebook/statistics/StatisticsForGroupTab.vue
+++ b/aleksis/apps/alsijil/frontend/components/coursebook/statistics/StatisticsForGroupTab.vue
@@ -59,7 +59,9 @@
       </v-chip>
       <v-chip dense outlined>
         <v-icon left>mdi-sigma</v-icon>
-        {{ $tc("time.minutes_n", item.tardinessSum, { n: $n(item.tardinessSum) }) }}
+        {{
+          $tc("time.minutes_n", item.tardinessSum, { n: $n(item.tardinessSum) })
+        }}
       </v-chip>
     </template>
 
diff --git a/aleksis/apps/alsijil/frontend/components/coursebook/statistics/StatisticsForPersonPage.vue b/aleksis/apps/alsijil/frontend/components/coursebook/statistics/StatisticsForPersonPage.vue
index e2f68e81e54072dc8bf90913b4941cae8dcab99d..3303591f71f851bc65bdadc1244c6dd22c6bc029 100644
--- a/aleksis/apps/alsijil/frontend/components/coursebook/statistics/StatisticsForPersonPage.vue
+++ b/aleksis/apps/alsijil/frontend/components/coursebook/statistics/StatisticsForPersonPage.vue
@@ -15,7 +15,13 @@
         :elevated="false"
       >
         <template #additionalActions>
-          <v-btn-toggle v-model="mode" mandatory color="secondary" rounded dense>
+          <v-btn-toggle
+            v-model="mode"
+            mandatory
+            color="secondary"
+            rounded
+            dense
+          >
             <v-btn outlined :value="MODE.PARTICIPATIONS">
               {{ $t("alsijil.coursebook.absences.absences") }}
             </v-btn>
@@ -29,16 +35,40 @@
             <v-list-item-content>
               <v-list-item-title>
                 <!-- date & timeslot -->
-                <time :datetime="item.relatedDocumentation.datetimeStart" class="text-no-wrap">
-                  {{ $d($parseISODate(item.relatedDocumentation.datetimeStart), "short") }}
+                <time
+                  :datetime="item.relatedDocumentation.datetimeStart"
+                  class="text-no-wrap"
+                >
+                  {{
+                    $d(
+                      $parseISODate(item.relatedDocumentation.datetimeStart),
+                      "short",
+                    )
+                  }}
                 </time>
 
-                <time :datetime="item.relatedDocumentation.datetimeStart" class="text-no-wrap">
-                  {{ $d($parseISODate(item.relatedDocumentation.datetimeStart), "shortTime") }}
+                <time
+                  :datetime="item.relatedDocumentation.datetimeStart"
+                  class="text-no-wrap"
+                >
+                  {{
+                    $d(
+                      $parseISODate(item.relatedDocumentation.datetimeStart),
+                      "shortTime",
+                    )
+                  }}
                 </time>
                 <span>-</span>
-                <time :datetime="item.relatedDocumentation.datetimeEnd" class="text-no-wrap">
-                  {{ $d($parseISODate(item.relatedDocumentation.datetimeEnd), "shortTime") }}
+                <time
+                  :datetime="item.relatedDocumentation.datetimeEnd"
+                  class="text-no-wrap"
+                >
+                  {{
+                    $d(
+                      $parseISODate(item.relatedDocumentation.datetimeEnd),
+                      "shortTime",
+                    )
+                  }}
                 </time>
                 <!-- teacher -->
                 <person-chip
@@ -52,7 +82,10 @@
                   {{ item.groupShortName }}
                 </span>
                 <!-- subject -->
-                <subject-chip :subject="item.relatedDocumentation.subject" small />
+                <subject-chip
+                  :subject="item.relatedDocumentation.subject"
+                  small
+                />
               </v-list-item-title>
               <v-list-item-subtitle>
                 {{ item.note }}
@@ -91,7 +124,10 @@ import PersonChip from "aleksis.core/components/person/PersonChip.vue";
 import SubjectChip from "aleksis.apps.cursus/components/SubjectChip.vue";
 import StatisticsForPersonCard from "./StatisticsForPersonCard.vue";
 
-import { participationsOfPerson, personalNotesForPerson } from "./statistics.graphql";
+import {
+  participationsOfPerson,
+  personalNotesForPerson,
+} from "./statistics.graphql";
 import { DateTime } from "luxon";
 import ExtraMarkChip from "../../extra_marks/ExtraMarkChip.vue";
 
@@ -143,12 +179,14 @@ export default {
       },
       set(value) {
         console.log("New SchoolTerm:", value);
-      }
+      },
     },
   },
   methods: {
     gqlQuery() {
-      return this.mode === MODE.PERSONAL_NOTES ? personalNotesForPerson : participationsOfPerson;
+      return this.mode === MODE.PERSONAL_NOTES
+        ? personalNotesForPerson
+        : participationsOfPerson;
     },
   },
 };
diff --git a/aleksis/apps/alsijil/frontend/components/coursebook/statistics/StatisticsTardinessCard.vue b/aleksis/apps/alsijil/frontend/components/coursebook/statistics/StatisticsTardinessCard.vue
index 275515f0f1b822d9b1da1dfe5fcbef264e242e6f..bba96cd38cedf3b417a71d5fee6add116d7322a8 100644
--- a/aleksis/apps/alsijil/frontend/components/coursebook/statistics/StatisticsTardinessCard.vue
+++ b/aleksis/apps/alsijil/frontend/components/coursebook/statistics/StatisticsTardinessCard.vue
@@ -19,7 +19,9 @@
         <div>
           <v-icon small>mdi-diameter-variant</v-icon>
           {{
-            $tc("time.minutes_n", tardinessSum / tardinessCount, { n: $n(tardinessSum/tardinessCount) })
+            $tc("time.minutes_n", tardinessSum / tardinessCount, {
+              n: $n(tardinessSum / tardinessCount),
+            })
           }}
         </div>
       </div>
diff --git a/aleksis/apps/alsijil/models.py b/aleksis/apps/alsijil/models.py
index 9d7b398dab8415a7ff05333c823879a165af0e95..cf692d4607e804aad67e0141ecab2c789c0281cf 100644
--- a/aleksis/apps/alsijil/models.py
+++ b/aleksis/apps/alsijil/models.py
@@ -4,7 +4,7 @@ from typing import Optional
 from django.contrib.auth.models import User
 from django.core.exceptions import PermissionDenied
 from django.db import models
-from django.db.models import QuerySet, Q
+from django.db.models import Q, QuerySet
 from django.http import HttpRequest
 from django.urls import reverse
 from django.utils import timezone
@@ -437,7 +437,11 @@ class ParticipationStatus(CalendarEvent):
 
     @classmethod
     def get_objects(
-        cls, request: HttpRequest | None = None, params: dict[str, any] | None = None, additional_filter: Q | None = None, **kwargs
+        cls,
+        request: HttpRequest | None = None,
+        params: dict[str, any] | None = None,
+        additional_filter: Q | None = None,
+        **kwargs,
     ) -> QuerySet:
         q = additional_filter or Q()
         if params:
@@ -447,9 +451,12 @@ class ParticipationStatus(CalendarEvent):
                 q = q & Q(person__in=params["persons"])
             elif params.get("group"):
                 q = q & Q(groups_of_person__in=params.get("group"))
-        qs = (
-            super()
-            .get_objects(request, params, additional_filter=q, select_related=["person", "absence_reason"], **kwargs)
+        qs = super().get_objects(
+            request,
+            params,
+            additional_filter=q,
+            select_related=["person", "absence_reason"],
+            **kwargs,
         )
 
         return qs
diff --git a/aleksis/apps/alsijil/schema/__init__.py b/aleksis/apps/alsijil/schema/__init__.py
index ab2df1d2d6a63a116ce1bc53038b0ce049c2f75d..c7e7e2a23b45c76da8184f1e0f19420a8c417aa7 100644
--- a/aleksis/apps/alsijil/schema/__init__.py
+++ b/aleksis/apps/alsijil/schema/__init__.py
@@ -17,7 +17,7 @@ from aleksis.core.schema.person import PersonType
 from aleksis.core.util.core_helpers import get_site_preferences, has_person
 
 from ..model_extensions import annotate_person_statistics_for_school_term
-from ..models import Documentation, ParticipationStatus, NewPersonalNote
+from ..models import Documentation, NewPersonalNote, ParticipationStatus
 from .absences import (
     AbsencesForPersonsCreateMutation,
 )
diff --git a/aleksis/apps/alsijil/schema/statistics.py b/aleksis/apps/alsijil/schema/statistics.py
index 976f25ebb32b50c9152fb86d23acf17011d7a89f..51ba12b379fb1ec83b6b944b5961e8b9c991dd46 100644
--- a/aleksis/apps/alsijil/schema/statistics.py
+++ b/aleksis/apps/alsijil/schema/statistics.py
@@ -1,9 +1,6 @@
-from django.utils import timezone
 
 import graphene
 
-from aleksis.apps.cursus.models import Subject
-from aleksis.apps.cursus.schema import SubjectType
 from aleksis.apps.kolego.models.absence import AbsenceReason
 from aleksis.apps.kolego.schema.absence import AbsenceReasonType
 from aleksis.core.models import Person