diff --git a/biscuit/apps/alsijil/forms.py b/biscuit/apps/alsijil/forms.py
index 1a0602b312c16feee86015c8a394d9876573826a..91fa15ac1d820bc2e84c81066d5e40e1c656e90e 100644
--- a/biscuit/apps/alsijil/forms.py
+++ b/biscuit/apps/alsijil/forms.py
@@ -37,17 +37,15 @@ class PersonalNoteForm(forms.ModelForm):
 
 class SelectForm(forms.Form):
     group = forms.ModelChoiceField(
-        queryset=Group.objects.annotate(lessons_count=Count("lessons")).filter(
-            lessons_count__gt=0
-        ),
+        queryset=Group.objects.annotate(lessons_count=Count("lessons")).filter(lessons_count__gt=0),
         label=_("Group"),
         required=False,
         widget=Select2Widget,
     )
     teacher = forms.ModelChoiceField(
-        queryset=Person.objects.annotate(
-            lessons_count=Count("lessons_as_teacher")
-        ).filter(lessons_count__gt=0),
+        queryset=Person.objects.annotate(lessons_count=Count("lessons_as_teacher")).filter(
+            lessons_count__gt=0
+        ),
         label=_("Teacher"),
         required=False,
         widget=Select2Widget,
diff --git a/biscuit/apps/alsijil/models.py b/biscuit/apps/alsijil/models.py
index 304fdb772ef8b5f6e56558b7fbd77ec3925b7c99..6f5d91f26cf09da0cdec20b28ab321619202db15 100644
--- a/biscuit/apps/alsijil/models.py
+++ b/biscuit/apps/alsijil/models.py
@@ -13,9 +13,7 @@ class PersonalNote(models.Model):
     absences, excuses and remarks about a student in a single lesson period.
     """
 
-    person = models.ForeignKey(
-        "core.Person", models.CASCADE, related_name="personal_notes"
-    )
+    person = models.ForeignKey("core.Person", models.CASCADE, related_name="personal_notes")
 
     week = models.IntegerField()
     lesson_period = models.ForeignKey(
@@ -67,18 +65,13 @@ class PersonalNoteFilter(models.Model):
     """ A filter definition that can generate statistics on personal note texts. """
 
     identifier = models.CharField(
-        verbose_name=_("Identifier"),
-        max_length=30,
-        validators=[isidentifier],
-        unique=True,
+        verbose_name=_("Identifier"), max_length=30, validators=[isidentifier], unique=True,
     )
     description = models.CharField(
         verbose_name=_("Description"), max_length=60, blank=True, unique=True
     )
 
-    regex = models.CharField(
-        verbose_name=_("Match expression"), max_length=100, unique=True
-    )
+    regex = models.CharField(verbose_name=_("Match expression"), max_length=100, unique=True)
 
     class Meta:
         ordering = ["identifier"]
diff --git a/biscuit/apps/alsijil/tables.py b/biscuit/apps/alsijil/tables.py
index 38c7402f68f310f516b9d503a51da34ab6496601..098f3ee1e9ecd4e5a04ce50b6ea3c6e0cc3cb100 100644
--- a/biscuit/apps/alsijil/tables.py
+++ b/biscuit/apps/alsijil/tables.py
@@ -6,13 +6,9 @@ from django_tables2.utils import A
 
 class PersonalNoteFilterTable(tables.Table):
     class Meta:
-        attrs = {
-            "class": "table table-striped table-bordered table-hover table-responsive-xl"
-        }
+        attrs = {"class": "table table-striped table-bordered table-hover table-responsive-xl"}
 
     identifier = tables.Column()
     description = tables.Column()
     regex = tables.Column()
-    edit_filter = tables.LinkColumn(
-        "edit_personal_note_filter", args=[A("id")], text=_("Edit")
-    )
+    edit_filter = tables.LinkColumn("edit_personal_note_filter", args=[A("id")], text=_("Edit"))
diff --git a/biscuit/apps/alsijil/urls.py b/biscuit/apps/alsijil/urls.py
index 85c9c25d4e9a4ffc450ea9e683b14ae0aeee1fe5..20519ad4d60020a5ed717c00a54baf4c8e21abc9 100644
--- a/biscuit/apps/alsijil/urls.py
+++ b/biscuit/apps/alsijil/urls.py
@@ -11,24 +11,12 @@ urlpatterns = [
     ),
     path("week", views.week_view, name="week_view"),
     path("week/<int:year>/<int:week>", views.week_view, name="week_view_by_week"),
-    path(
-        "print/group/<int:id_>", views.full_register_group, name="full_register_group"
-    ),
+    path("print/group/<int:id_>", views.full_register_group, name="full_register_group"),
     path("absence/new", views.register_absence, name="register_absence"),
+    path("filters/list", views.list_personal_note_filters, name="list_personal_note_filters",),
+    path("filters/create", views.edit_personal_note_filter, name="create_personal_note_filter",),
     path(
-        "filters/list",
-        views.list_personal_note_filters,
-        name="list_personal_note_filters",
-    ),
-    path(
-        "filters/create",
-        views.edit_personal_note_filter,
-        name="create_personal_note_filter",
-    ),
-    path(
-        "filters/edit/<int:id>",
-        views.edit_personal_note_filter,
-        name="edit_personal_note_filter",
+        "filters/edit/<int:id>", views.edit_personal_note_filter, name="edit_personal_note_filter",
     ),
     path(
         "filters/delete/<int:id_>",
diff --git a/biscuit/apps/alsijil/views.py b/biscuit/apps/alsijil/views.py
index 837205238c1f87d4fe605012fe7bd4a8617af0f5..391116903df209f222a3b55e5f16cf0191983d22 100644
--- a/biscuit/apps/alsijil/views.py
+++ b/biscuit/apps/alsijil/views.py
@@ -43,17 +43,12 @@ def lesson(
         wanted_week = CalendarWeek(year=year, week=week)
     else:
         # Determine current lesson by current date and time
-        lesson_period = (
-            LessonPeriod.objects.at_time().filter_teacher(request.user.person).first()
-        )
+        lesson_period = LessonPeriod.objects.at_time().filter_teacher(request.user.person).first()
         wanted_week = CalendarWeek()
 
         if lesson_period:
             return redirect(
-                "lesson_by_week_and_period",
-                wanted_week.year,
-                wanted_week.week,
-                lesson_period.pk,
+                "lesson_by_week_and_period", wanted_week.year, wanted_week.week, lesson_period.pk,
             )
         else:
             raise Http404(
@@ -64,16 +59,13 @@ def lesson(
 
     if (
         datetime.combine(
-            wanted_week[lesson_period.period.weekday - 1],
-            lesson_period.period.time_start,
+            wanted_week[lesson_period.period.weekday - 1], lesson_period.period.time_start,
         )
         > datetime.now()
         and not request.user.is_superuser
     ):
         raise PermissionDenied(
-            _(
-                "You are not allowed to create a lesson documentation for a lesson in the future."
-            )
+            _("You are not allowed to create a lesson documentation for a lesson in the future.")
         )
 
     context["lesson_period"] = lesson_period
@@ -85,9 +77,7 @@ def lesson(
         lesson_period=lesson_period, week=wanted_week.week
     )
     lesson_documentation_form = LessonDocumentationForm(
-        request.POST or None,
-        instance=lesson_documentation,
-        prefix="leson_documentation",
+        request.POST or None, instance=lesson_documentation, prefix="leson_documentation",
     )
 
     # Create a formset that holds all personal notes for all persons in this lesson
@@ -243,21 +233,12 @@ def full_register_group(request: HttpRequest, id_: int) -> HttpResponse:
         for week in weeks:
             day = week[lesson_period.period.weekday - 1]
 
-            if (
-                lesson_period.lesson.date_start <= day
-                and lesson_period.lesson.date_end >= day
-            ):
+            if lesson_period.lesson.date_start <= day and lesson_period.lesson.date_end >= day:
                 documentations = list(
-                    filter(
-                        lambda d: d.week == week.week,
-                        lesson_period.documentations.all(),
-                    )
+                    filter(lambda d: d.week == week.week, lesson_period.documentations.all(),)
                 )
                 notes = list(
-                    filter(
-                        lambda d: d.week == week.week,
-                        lesson_period.personal_notes.all(),
-                    )
+                    filter(lambda d: d.week == week.week, lesson_period.personal_notes.all(),)
                 )
                 substitution = lesson_period.get_substitution(week.week)
 
@@ -282,9 +263,7 @@ def full_register_group(request: HttpRequest, id_: int) -> HttpResponse:
                 "_personal_notes_with_%s"
                 % personal_note_filter.identifier: Count(
                     "personal_notes__remarks",
-                    filter=Q(
-                        personal_notes__remarks__iregex=personal_note_filter.regex
-                    ),
+                    filter=Q(personal_notes__remarks__iregex=personal_note_filter.regex),
                 )
             }
         )
@@ -346,9 +325,7 @@ def list_personal_note_filters(request: HttpRequest) -> HttpResponse:
     return render(request, "alsijil/personal_note_filters.html", context)
 
 
-def edit_personal_note_filter(
-    request: HttpRequest, id: Optional["int"] = None
-) -> HttpResponse:
+def edit_personal_note_filter(request: HttpRequest, id: Optional["int"] = None) -> HttpResponse:
     context = {}
 
     if id: