diff --git a/uniweb/migrations/0135_uniwebformpage_subscribe_to_ecomail.py b/uniweb/migrations/0135_uniwebformpage_subscribe_to_ecomail.py
index 513e0255611f0cb5285c6fc14b8db29e7756efa2..422b8b79e64ba51535fb93724fe13e6326e75bf6 100644
--- a/uniweb/migrations/0135_uniwebformpage_subscribe_to_ecomail.py
+++ b/uniweb/migrations/0135_uniwebformpage_subscribe_to_ecomail.py
@@ -4,15 +4,17 @@ from django.db import migrations, models
 
 
 class Migration(migrations.Migration):
-
     dependencies = [
-        ('uniweb', '0134_uniwebhomepage_fbevents_id'),
+        ("uniweb", "0134_uniwebhomepage_fbevents_id"),
     ]
 
     operations = [
         migrations.AddField(
-            model_name='uniwebformpage',
-            name='subscribe_to_ecomail',
-            field=models.BooleanField(default=False, verbose_name='Automaticky odebírat vyplněné údaje do Ecomail NL?'),
+            model_name="uniwebformpage",
+            name="subscribe_to_ecomail",
+            field=models.BooleanField(
+                default=False,
+                verbose_name="Automaticky odebírat vyplněné údaje do Ecomail NL?",
+            ),
         ),
     ]
diff --git a/uniweb/migrations/0136_uniwebformpage_email_field_id_and_more.py b/uniweb/migrations/0136_uniwebformpage_email_field_id_and_more.py
index bbc7f50e80ea121c1970ab4c37f0f2630a7a46dd..a3d85aa3c29e5dc4227f3ca8943cb91b90f62ba7 100644
--- a/uniweb/migrations/0136_uniwebformpage_email_field_id_and_more.py
+++ b/uniweb/migrations/0136_uniwebformpage_email_field_id_and_more.py
@@ -4,20 +4,23 @@ from django.db import migrations, models
 
 
 class Migration(migrations.Migration):
-
     dependencies = [
-        ('uniweb', '0135_uniwebformpage_subscribe_to_ecomail'),
+        ("uniweb", "0135_uniwebformpage_subscribe_to_ecomail"),
     ]
 
     operations = [
         migrations.AddField(
-            model_name='uniwebformpage',
-            name='email_field_id',
-            field=models.CharField(blank=True, null=True, verbose_name='ID email fieldu'),
+            model_name="uniwebformpage",
+            name="email_field_id",
+            field=models.CharField(
+                blank=True, null=True, verbose_name="ID email fieldu"
+            ),
         ),
         migrations.AddField(
-            model_name='uniwebformpage',
-            name='name_and_surname_field_id',
-            field=models.CharField(blank=True, null=True, verbose_name='ID jméno & příjmení fieldu'),
+            model_name="uniwebformpage",
+            name="name_and_surname_field_id",
+            field=models.CharField(
+                blank=True, null=True, verbose_name="ID jméno & příjmení fieldu"
+            ),
         ),
     ]
diff --git a/uniweb/migrations/0137_uniwebformpage_submission_button_text.py b/uniweb/migrations/0137_uniwebformpage_submission_button_text.py
index 249bcbc3dd1ef540bda622d6a553d0632b074e27..6c0329112a2b1611b40fc70420012d4ac092327e 100644
--- a/uniweb/migrations/0137_uniwebformpage_submission_button_text.py
+++ b/uniweb/migrations/0137_uniwebformpage_submission_button_text.py
@@ -4,15 +4,16 @@ from django.db import migrations, models
 
 
 class Migration(migrations.Migration):
-
     dependencies = [
-        ('uniweb', '0136_uniwebformpage_email_field_id_and_more'),
+        ("uniweb", "0136_uniwebformpage_email_field_id_and_more"),
     ]
 
     operations = [
         migrations.AddField(
-            model_name='uniwebformpage',
-            name='submission_button_text',
-            field=models.CharField(default='Odeslat', verbose_name='Text tlačítka pro odeslání formuláře'),
+            model_name="uniwebformpage",
+            name="submission_button_text",
+            field=models.CharField(
+                default="Odeslat", verbose_name="Text tlačítka pro odeslání formuláře"
+            ),
         ),
     ]
diff --git a/uniweb/models.py b/uniweb/models.py
index b48ce84c4c80c29591caa58264c1296072b3c788..669a18ebeb3a9b1815e017dc25caafba60ee77a4 100644
--- a/uniweb/models.py
+++ b/uniweb/models.py
@@ -29,7 +29,6 @@ from shared.blocks import (
     NewsletterSubscriptionBlock,
 )
 from shared.const import RICH_TEXT_DEFAULT_FEATURES
-from shared.utils import subscribe_to_ecomail_newsletter
 from shared.models import (
     CalendarMixin,
     CustomLogoMixin,
@@ -50,6 +49,7 @@ from shared.models import (
     SocialMixin,
     SubpageMixin,
 )
+from shared.utils import subscribe_to_ecomail_newsletter
 from shared_legacy.models import FooterMixin as LegacyFooterMixin
 from shared_legacy.utils import make_promote_panels
 
@@ -503,15 +503,11 @@ class UniwebFormPage(
     )
 
     name_and_surname_field_id = models.CharField(
-        verbose_name="ID jméno & příjmení fieldu",
-        blank=True,
-        null=True
+        verbose_name="ID jméno & příjmení fieldu", blank=True, null=True
     )
 
     email_field_id = models.CharField(
-        verbose_name="ID email fieldu",
-        blank=True,
-        null=True
+        verbose_name="ID email fieldu", blank=True, null=True
     )
 
     submission_button_text = models.CharField(
@@ -575,7 +571,8 @@ class UniwebFormPage(
         cleaned_data = form.cleaned_data
 
         if (
-            hasattr(self, "root_page") and self.root_page
+            hasattr(self, "root_page")
+            and self.root_page
             and self.subscribe_to_ecomail
             and self.name_and_surname_field_id in cleaned_data
             and self.email_field_id in cleaned_data
@@ -604,7 +601,7 @@ class UniwebFormPage(
                 self.root_page.ecomail_newsletter_list_tags,
                 self.root_page.ecomail_newsletter_list_source,
                 self.root_page.ecomail_newsletter_list_id,
-                custom_data
+                custom_data,
             )
 
         super().process_form_submission(form)