diff --git a/calendar_utils/models.py b/calendar_utils/models.py
index 817a6d30ff9535fbb12fbf6746f53535ff2f20d0..154098170e7e229b35b3dc1c1c59123214c7349b 100644
--- a/calendar_utils/models.py
+++ b/calendar_utils/models.py
@@ -49,7 +49,7 @@ class Calendar(models.Model):
         self.save()
 
     def current_events(self):
-        return self.future_events[:self.CURRENT_NUM]
+        return self.future_events[: self.CURRENT_NUM]
 
 
 class CalendarMixin(models.Model):
diff --git a/elections2021/migrations/0035_elections2021calendarpage.py b/elections2021/migrations/0035_elections2021calendarpage.py
index 9e7140d7157e12614dc27faa1cf823b505ffd9ba..c75d402b013a7f08fdd133a56ce73d7c8360efc4 100644
--- a/elections2021/migrations/0035_elections2021calendarpage.py
+++ b/elections2021/migrations/0035_elections2021calendarpage.py
@@ -1,33 +1,83 @@
 # Generated by Django 3.2.5 on 2021-07-29 13:00
 
-from django.db import migrations, models
 import django.db.models.deletion
-import shared.models
 import wagtailmetadata.models
+from django.db import migrations, models
+
+import shared.models
 
 
 class Migration(migrations.Migration):
 
     dependencies = [
-        ('wagtailcore', '0062_comment_models_and_pagesubscription'),
-        ('wagtailimages', '0023_add_choose_permissions'),
-        ('calendar_utils', '0002_auto_20200523_0243'),
-        ('elections2021', '0034_auto_20210715_2354'),
+        ("wagtailcore", "0062_comment_models_and_pagesubscription"),
+        ("wagtailimages", "0023_add_choose_permissions"),
+        ("calendar_utils", "0002_auto_20200523_0243"),
+        ("elections2021", "0034_auto_20210715_2354"),
     ]
 
     operations = [
         migrations.CreateModel(
-            name='Elections2021CalendarPage',
+            name="Elections2021CalendarPage",
             fields=[
-                ('page_ptr', models.OneToOneField(auto_created=True, on_delete=django.db.models.deletion.CASCADE, parent_link=True, primary_key=True, serialize=False, to='wagtailcore.page')),
-                ('calendar_url', models.URLField(blank=True, null=True, verbose_name='URL kalendáře ve formátu iCal')),
-                ('calendar', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.PROTECT, to='calendar_utils.calendar')),
-                ('photo', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.PROTECT, to='wagtailimages.image', verbose_name='hlavní fotka')),
-                ('search_image', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='+', to='wagtailimages.image', verbose_name='Search image')),
+                (
+                    "page_ptr",
+                    models.OneToOneField(
+                        auto_created=True,
+                        on_delete=django.db.models.deletion.CASCADE,
+                        parent_link=True,
+                        primary_key=True,
+                        serialize=False,
+                        to="wagtailcore.page",
+                    ),
+                ),
+                (
+                    "calendar_url",
+                    models.URLField(
+                        blank=True,
+                        null=True,
+                        verbose_name="URL kalendáře ve formátu iCal",
+                    ),
+                ),
+                (
+                    "calendar",
+                    models.ForeignKey(
+                        blank=True,
+                        null=True,
+                        on_delete=django.db.models.deletion.PROTECT,
+                        to="calendar_utils.calendar",
+                    ),
+                ),
+                (
+                    "photo",
+                    models.ForeignKey(
+                        blank=True,
+                        null=True,
+                        on_delete=django.db.models.deletion.PROTECT,
+                        to="wagtailimages.image",
+                        verbose_name="hlavní fotka",
+                    ),
+                ),
+                (
+                    "search_image",
+                    models.ForeignKey(
+                        blank=True,
+                        null=True,
+                        on_delete=django.db.models.deletion.SET_NULL,
+                        related_name="+",
+                        to="wagtailimages.image",
+                        verbose_name="Search image",
+                    ),
+                ),
             ],
             options={
-                'verbose_name': 'Kalendář',
+                "verbose_name": "Kalendář",
             },
-            bases=(shared.models.SubpageMixin, wagtailmetadata.models.WagtailImageMetadataMixin, 'wagtailcore.page', models.Model),
+            bases=(
+                shared.models.SubpageMixin,
+                wagtailmetadata.models.WagtailImageMetadataMixin,
+                "wagtailcore.page",
+                models.Model,
+            ),
         ),
     ]