diff --git a/contracts/admin.py b/contracts/admin.py
index 5ca0426dda33ecdbf59fef291d5abc8b325cad45..d4edd51491c0cd63e81c5c875cf6ddce09cbb3f4 100644
--- a/contracts/admin.py
+++ b/contracts/admin.py
@@ -304,14 +304,12 @@ class ContractAdmin(
         if not request.user.has_perm("contracts.view_confidential"):
             # Allow user to view their own objects, even if not public
             queryset = queryset.filter(
-                models.Q(is_public=True)
-                | models.Q(created_by=request.user)
+                models.Q(is_public=True) | models.Q(created_by=request.user)
             )
 
         if not request.user.has_perm("contracts.approve"):
             queryset = queryset.filter(
-                models.Q(is_approved=True)
-                | models.Q(created_by=request.user)
+                models.Q(is_approved=True) | models.Q(created_by=request.user)
             )
 
         return queryset
diff --git a/contracts/migrations/0022_contract_cost_amount_other_alter_contract_cost_unit_and_more.py b/contracts/migrations/0022_contract_cost_amount_other_alter_contract_cost_unit_and_more.py
index 8613bcd4977df848f8a38a947ce112acc9b30720..ca0430daed2baf201a4a8c33fe332a3f8a0be5eb 100644
--- a/contracts/migrations/0022_contract_cost_amount_other_alter_contract_cost_unit_and_more.py
+++ b/contracts/migrations/0022_contract_cost_amount_other_alter_contract_cost_unit_and_more.py
@@ -4,25 +4,51 @@ from django.db import migrations, models
 
 
 class Migration(migrations.Migration):
-
     dependencies = [
-        ('contracts', '0021_contract_updated_on_alter_contractee_address_country_and_more'),
+        (
+            "contracts",
+            "0021_contract_updated_on_alter_contractee_address_country_and_more",
+        ),
     ]
 
     operations = [
         migrations.AddField(
-            model_name='contract',
-            name='cost_amount_other',
-            field=models.CharField(blank=True, help_text="Je nutno vyplnit v případě, že máš vybranou možnost 'jiné' v jednotce nákladů.", max_length=128, null=True, verbose_name='Jednotka nákladů (jiné)'),
+            model_name="contract",
+            name="cost_amount_other",
+            field=models.CharField(
+                blank=True,
+                help_text="Je nutno vyplnit v případě, že máš vybranou možnost 'jiné' v jednotce nákladů.",
+                max_length=128,
+                null=True,
+                verbose_name="Jednotka nákladů (jiné)",
+            ),
         ),
         migrations.AlterField(
-            model_name='contract',
-            name='cost_unit',
-            field=models.CharField(blank=True, choices=[('hour', 'Hodina'), ('month', 'Měsíc'), ('year', 'Rok'), ('total', 'Celkem'), ('other', 'Jiné')], max_length=5, null=True, verbose_name='Jednotka nákladů'),
+            model_name="contract",
+            name="cost_unit",
+            field=models.CharField(
+                blank=True,
+                choices=[
+                    ("hour", "Hodina"),
+                    ("month", "Měsíc"),
+                    ("year", "Rok"),
+                    ("total", "Celkem"),
+                    ("other", "Jiné"),
+                ],
+                max_length=5,
+                null=True,
+                verbose_name="Jednotka nákladů",
+            ),
         ),
         migrations.AlterField(
-            model_name='contract',
-            name='publishing_rejection_comment',
-            field=models.TextField(blank=True, help_text='Obsah není veřejně přístupný.', max_length=65536, null=True, verbose_name='Důvod nezveřejnění'),
+            model_name="contract",
+            name="publishing_rejection_comment",
+            field=models.TextField(
+                blank=True,
+                help_text="Obsah není veřejně přístupný.",
+                max_length=65536,
+                null=True,
+                verbose_name="Důvod nezveřejnění",
+            ),
         ),
     ]
diff --git a/contracts/migrations/0023_alter_contractfile_is_public.py b/contracts/migrations/0023_alter_contractfile_is_public.py
index b948a41a0d7c347cecf68ed9c298846b34804115..22c943e1cbcd26f710e483eed363bf2b94612cd3 100644
--- a/contracts/migrations/0023_alter_contractfile_is_public.py
+++ b/contracts/migrations/0023_alter_contractfile_is_public.py
@@ -4,15 +4,17 @@ from django.db import migrations, models
 
 
 class Migration(migrations.Migration):
-
     dependencies = [
-        ('contracts', '0022_contract_cost_amount_other_alter_contract_cost_unit_and_more'),
+        (
+            "contracts",
+            "0022_contract_cost_amount_other_alter_contract_cost_unit_and_more",
+        ),
     ]
 
     operations = [
         migrations.AlterField(
-            model_name='contractfile',
-            name='is_public',
-            field=models.BooleanField(default=True, verbose_name='Veřejně dostupný'),
+            model_name="contractfile",
+            name="is_public",
+            field=models.BooleanField(default=True, verbose_name="Veřejně dostupný"),
         ),
     ]
diff --git a/contracts/migrations/0024_alter_contract_is_approved.py b/contracts/migrations/0024_alter_contract_is_approved.py
index d3bfc0e3025e8f0147743f1ca35f88aa773b9dd8..5c873a147af81215877512471b9f103636bd5ddb 100644
--- a/contracts/migrations/0024_alter_contract_is_approved.py
+++ b/contracts/migrations/0024_alter_contract_is_approved.py
@@ -4,15 +4,18 @@ from django.db import migrations, models
 
 
 class Migration(migrations.Migration):
-
     dependencies = [
-        ('contracts', '0023_alter_contractfile_is_public'),
+        ("contracts", "0023_alter_contractfile_is_public"),
     ]
 
     operations = [
         migrations.AlterField(
-            model_name='contract',
-            name='is_approved',
-            field=models.BooleanField(default=False, help_text='Mohou měnit jen schvalovatelé. Pokud je smlouva veřejná, schválením se vypustí ven.', verbose_name='Je schválená'),
+            model_name="contract",
+            name="is_approved",
+            field=models.BooleanField(
+                default=False,
+                help_text="Mohou měnit jen schvalovatelé. Pokud je smlouva veřejná, schválením se vypustí ven.",
+                verbose_name="Je schválená",
+            ),
         ),
     ]
diff --git a/contracts/migrations/0025_rename_cost_amount_other_contract_cost_unit_other.py b/contracts/migrations/0025_rename_cost_amount_other_contract_cost_unit_other.py
index 3a3dd3f491bbddf20d9a72d0db6ffdc9c5b6ea25..8e749d36b9bb9fca1b0a670bbdd012795f9f02bb 100644
--- a/contracts/migrations/0025_rename_cost_amount_other_contract_cost_unit_other.py
+++ b/contracts/migrations/0025_rename_cost_amount_other_contract_cost_unit_other.py
@@ -4,15 +4,14 @@ from django.db import migrations
 
 
 class Migration(migrations.Migration):
-
     dependencies = [
-        ('contracts', '0024_alter_contract_is_approved'),
+        ("contracts", "0024_alter_contract_is_approved"),
     ]
 
     operations = [
         migrations.RenameField(
-            model_name='contract',
-            old_name='cost_amount_other',
-            new_name='cost_unit_other',
+            model_name="contract",
+            old_name="cost_amount_other",
+            new_name="cost_unit_other",
         ),
     ]
diff --git a/contracts/migrations/0026_alter_contract_is_public_and_more.py b/contracts/migrations/0026_alter_contract_is_public_and_more.py
index 9de3e7b5a20a6f3923a4b40fd6641220ed92ac75..b6c8e13533a156b0a225a152a3661f56790a9536 100644
--- a/contracts/migrations/0026_alter_contract_is_public_and_more.py
+++ b/contracts/migrations/0026_alter_contract_is_public_and_more.py
@@ -4,20 +4,23 @@ from django.db import migrations, models
 
 
 class Migration(migrations.Migration):
-
     dependencies = [
-        ('contracts', '0025_rename_cost_amount_other_contract_cost_unit_other'),
+        ("contracts", "0025_rename_cost_amount_other_contract_cost_unit_other"),
     ]
 
     operations = [
         migrations.AlterField(
-            model_name='contract',
-            name='is_public',
-            field=models.BooleanField(default=True, help_text='Neveřejné smlouvy nejsou vidět bez přihlášení jako min. tajný čtenář.', verbose_name='Je veřejná'),
+            model_name="contract",
+            name="is_public",
+            field=models.BooleanField(
+                default=True,
+                help_text="Neveřejné smlouvy nejsou vidět bez přihlášení jako min. tajný čtenář.",
+                verbose_name="Je veřejná",
+            ),
         ),
         migrations.AlterField(
-            model_name='contractfile',
-            name='is_public',
-            field=models.BooleanField(verbose_name='Veřejně dostupný'),
+            model_name="contractfile",
+            name="is_public",
+            field=models.BooleanField(verbose_name="Veřejně dostupný"),
         ),
     ]
diff --git a/contracts/migrations/0027_alter_contractintent_options.py b/contracts/migrations/0027_alter_contractintent_options.py
index c2d25c498b22b8f20bf58c3b14bf73e266ea0381..b825c68277fca3ce951519f2b3b23520c7b378e0 100644
--- a/contracts/migrations/0027_alter_contractintent_options.py
+++ b/contracts/migrations/0027_alter_contractintent_options.py
@@ -4,14 +4,16 @@ from django.db import migrations
 
 
 class Migration(migrations.Migration):
-
     dependencies = [
-        ('contracts', '0026_alter_contract_is_public_and_more'),
+        ("contracts", "0026_alter_contract_is_public_and_more"),
     ]
 
     operations = [
         migrations.AlterModelOptions(
-            name='contractintent',
-            options={'verbose_name': 'Záměr v Piroplácení', 'verbose_name_plural': 'Záměry v Piroplácení'},
+            name="contractintent",
+            options={
+                "verbose_name": "Záměr v Piroplácení",
+                "verbose_name_plural": "Záměry v Piroplácení",
+            },
         ),
     ]
diff --git a/contracts/migrations/0028_remove_contractee_role_remove_signee_role_and_more.py b/contracts/migrations/0028_remove_contractee_role_remove_signee_role_and_more.py
index ec4968662e511e774514406ca8a6460e94679352..8500ae17c9c4b56aabadcad3dc7090faef9063a9 100644
--- a/contracts/migrations/0028_remove_contractee_role_remove_signee_role_and_more.py
+++ b/contracts/migrations/0028_remove_contractee_role_remove_signee_role_and_more.py
@@ -4,28 +4,39 @@ from django.db import migrations, models
 
 
 class Migration(migrations.Migration):
-
     dependencies = [
-        ('contracts', '0027_alter_contractintent_options'),
+        ("contracts", "0027_alter_contractintent_options"),
     ]
 
     operations = [
         migrations.RemoveField(
-            model_name='contractee',
-            name='role',
+            model_name="contractee",
+            name="role",
         ),
         migrations.RemoveField(
-            model_name='signee',
-            name='role',
+            model_name="signee",
+            name="role",
         ),
         migrations.AddField(
-            model_name='contracteesignature',
-            name='role',
-            field=models.CharField(blank=True, help_text='Např. nájemce', max_length=256, null=True, verbose_name='Role'),
+            model_name="contracteesignature",
+            name="role",
+            field=models.CharField(
+                blank=True,
+                help_text="Např. nájemce",
+                max_length=256,
+                null=True,
+                verbose_name="Role",
+            ),
         ),
         migrations.AddField(
-            model_name='signeesignature',
-            name='role',
-            field=models.CharField(blank=True, help_text='Např. nájemce', max_length=256, null=True, verbose_name='Role'),
+            model_name="signeesignature",
+            name="role",
+            field=models.CharField(
+                blank=True,
+                help_text="Např. nájemce",
+                max_length=256,
+                null=True,
+                verbose_name="Role",
+            ),
         ),
     ]
diff --git a/contracts/migrations/0029_alter_contracteesignature_role_and_more.py b/contracts/migrations/0029_alter_contracteesignature_role_and_more.py
index c4fd8548dc78bf6fafb4ae927ceca8dbe8523fe9..367b938e2f412236db6b8a469db98ff3b03b5471 100644
--- a/contracts/migrations/0029_alter_contracteesignature_role_and_more.py
+++ b/contracts/migrations/0029_alter_contracteesignature_role_and_more.py
@@ -4,20 +4,31 @@ from django.db import migrations, models
 
 
 class Migration(migrations.Migration):
-
     dependencies = [
-        ('contracts', '0028_remove_contractee_role_remove_signee_role_and_more'),
+        ("contracts", "0028_remove_contractee_role_remove_signee_role_and_more"),
     ]
 
     operations = [
         migrations.AlterField(
-            model_name='contracteesignature',
-            name='role',
-            field=models.CharField(blank=True, help_text="Např. 'nájemník'", max_length=256, null=True, verbose_name='Role'),
+            model_name="contracteesignature",
+            name="role",
+            field=models.CharField(
+                blank=True,
+                help_text="Např. 'nájemník'",
+                max_length=256,
+                null=True,
+                verbose_name="Role",
+            ),
         ),
         migrations.AlterField(
-            model_name='signeesignature',
-            name='role',
-            field=models.CharField(blank=True, help_text="Např. 'pronajímatel'", max_length=256, null=True, verbose_name='Role'),
+            model_name="signeesignature",
+            name="role",
+            field=models.CharField(
+                blank=True,
+                help_text="Např. 'pronajímatel'",
+                max_length=256,
+                null=True,
+                verbose_name="Role",
+            ),
         ),
     ]
diff --git a/contracts/models.py b/contracts/models.py
index 4e95760325d08d6b5280e4c09e690c98a3da7795..1c1ca21b41261f43ddabe2ae3680cc2d1d70ae47 100644
--- a/contracts/models.py
+++ b/contracts/models.py
@@ -581,33 +581,22 @@ class Contract(NameStrMixin, models.Model):
         self.save()
 
     def clean(self):
-        if (
-            not self.is_public
-            and not self.publishing_rejection_comment
-        ):
+        if not self.is_public and not self.publishing_rejection_comment:
             raise ValidationError(
                 {
                     "publishing_rejection_comment": "Pokud smlouva není veřejná, toto pole musí být vyplněné."
                 }
             )
-        elif (
-            self.is_public
-            and self.publishing_rejection_comment
-        ):
+        elif self.is_public and self.publishing_rejection_comment:
             raise ValidationError(
                 {
                     "publishing_rejection_comment": "Nemůže být definováno, pokud je smlouva veřejná."
                 }
             )
 
-        if (
-            self.cost_amount is None  # 0 is falsy, but a value
-            and self.cost_unit
-        ):
+        if self.cost_amount is None and self.cost_unit:  # 0 is falsy, but a value
             raise ValidationError(
-                {
-                    "cost_unit": "Nemůže být definováno, pokud nejsou zadány náklady."
-                }
+                {"cost_unit": "Nemůže být definováno, pokud nejsou zadány náklady."}
             )
 
         if (
@@ -615,15 +604,10 @@ class Contract(NameStrMixin, models.Model):
             and not self.cost_unit
         ):
             raise ValidationError(
-                {
-                    "cost_amount": "Nemůže být definováno bez jednoty nákladů."
-                }
+                {"cost_amount": "Nemůže být definováno bez jednoty nákladů."}
             )
 
-        if (
-            self.cost_unit == self.CostUnits.OTHER[1]
-            and self.cost_unit_other is None
-        ):
+        if self.cost_unit == self.CostUnits.OTHER[1] and self.cost_unit_other is None:
             raise ValidationError(
                 {
                     "cost_unit_other": "Musí být definováno, pokud je vybrána jednotka nákladů 'jiné'."
diff --git a/contracts/views.py b/contracts/views.py
index 6a4adba7570de32d35fdc4c62c00e680dc9a4fd8..987d43eb061b5f192ab6a92ef921c087f6216838 100644
--- a/contracts/views.py
+++ b/contracts/views.py
@@ -92,8 +92,8 @@ def view_contract(request, id: int):
 
     if not request.user.has_perm("contracts.view_confidential"):
         filter = filter & (
-            models.Q(is_public=True) |
-            (
+            models.Q(is_public=True)
+            | (
                 models.Q(created_by=request.user)
                 if not request.user.is_anonymous
                 else True
@@ -101,11 +101,8 @@ def view_contract(request, id: int):
         )
 
     contract = get_object_or_404(
-        (
-            get_objects_for_user(request.user, "contracts.view_contract")
-            .filter(filter)
-        ),
-        id=id
+        (get_objects_for_user(request.user, "contracts.view_contract").filter(filter)),
+        id=id,
     )
 
     return render(
@@ -125,8 +122,7 @@ def view_contract(request, id: int):
 
 def view_contract_filing_area(request, id: int):
     filing_area = get_object_or_404(
-        get_objects_for_user(request.user, "contracts.view_contractfilingarea"),
-        id=id
+        get_objects_for_user(request.user, "contracts.view_contractfilingarea"), id=id
     )
 
     contracts_page, contracts_paginator = get_paginated_contracts(
@@ -152,8 +148,7 @@ def view_contract_filing_area(request, id: int):
 
 def view_contract_issue(request, id: int):
     issue = get_object_or_404(
-        get_objects_for_user(request.user, "contracts.view_contractissue"),
-        id=id
+        get_objects_for_user(request.user, "contracts.view_contractissue"), id=id
     )
 
     contracts_page, contracts_paginator = get_paginated_contracts(
@@ -176,8 +171,7 @@ def view_contract_issue(request, id: int):
 
 def view_contract_type(request, id: int):
     type_ = get_object_or_404(
-        get_objects_for_user(request.user, "contracts.view_contracttype"),
-        id=id
+        get_objects_for_user(request.user, "contracts.view_contracttype"), id=id
     )
 
     contracts_page, contracts_paginator = get_paginated_contracts(
@@ -200,8 +194,7 @@ def view_contract_type(request, id: int):
 
 def view_contractee(request, id: int):
     contractee = get_object_or_404(
-        get_objects_for_user(request.user, "contracts.view_contractee"),
-        id=id
+        get_objects_for_user(request.user, "contracts.view_contractee"), id=id
     )
 
     contracts_page, contracts_paginator = get_paginated_contracts(
@@ -224,8 +217,7 @@ def view_contractee(request, id: int):
 
 def view_signee(request, id: int):
     signee = get_object_or_404(
-        get_objects_for_user(request.user, "contracts.view_signee"),
-        id=id
+        get_objects_for_user(request.user, "contracts.view_signee"), id=id
     )
 
     contracts_page, contracts_paginator = get_paginated_contracts(
diff --git a/static_src/admin/contract_form.js b/static_src/admin/contract_form.js
index 2b08c732c7ee4bf0d31cc3d65b8c7b20d8d09a6c..791381c9eab1ed190d36b85db3a5c5b4ba8a4c22 100644
--- a/static_src/admin/contract_form.js
+++ b/static_src/admin/contract_form.js
@@ -57,7 +57,7 @@ $(window).ready(
                         "block" : "none"
                     )
                 );
-                
+
                 if (!otherIsSelected) $(".field-cost_unit_other").val("");
             }
         );