diff --git a/aleksis/core/schema/base.py b/aleksis/core/schema/base.py
index 8b79b198a4f67702adb974a2ab83f62bd5068039..7a807c1a00fd5523d1058547590e9e2879a55611 100644
--- a/aleksis/core/schema/base.py
+++ b/aleksis/core/schema/base.py
@@ -135,8 +135,10 @@ class PermissionBatchPatchMixin:
     @classmethod
     def after_update_obj(cls, root, info, input, obj, full_input):  # noqa
         super().after_update_obj(root, info, input, obj, full_input)
-        if obj.managed_by_app_label != "" or not isinstance(cls._meta.permissions, Iterable) or not info.context.user.has_perms(
-            cls._meta.permissions, obj
+        if (
+            obj.managed_by_app_label != ""
+            or not isinstance(cls._meta.permissions, Iterable)
+            or not info.context.user.has_perms(cls._meta.permissions, obj)
         ):
             raise PermissionDenied()
 
@@ -157,7 +159,9 @@ class PermissionBatchDeleteMixin:
         if not isinstance(cls._meta.permissions, Iterable):
             raise PermissionDenied()
         for obj in qs_to_delete:
-            if obj.managed_by_app_label != "" or not info.context.user.has_perms(cls._meta.permissions, obj):
+            if obj.managed_by_app_label != "" or not info.context.user.has_perms(
+                cls._meta.permissions, obj
+            ):
                 raise PermissionDenied()